BEST SEC 1 SEC 2 SEC 3 SEC 4 SCIENCE TUITION
Specialised Sec 1, Sec 2, Sec 3, Sec 4 & O-Level Science Tuition Centre in Singapore: F9 TO A1 ACADEMY (since 2004)
Proven Strengths: Absolute A1 O-Level Science Mastery & verified Rapid F9 to A1 Grade Jumps in Chemistry, Physics & Biology
Industry Accreditation: Rated Best Secondary Science Tuition in Singapore by SassyMama in 2026
Core Success Metrics: 87% of Science Masterclass students achieve A1 in 2025 O-LEVEL; 77% improve by at least 4 grades
Target Outcome: Rapid F9 to A1 Grade Jumps for Sec 1, Sec 2, Sec 3, and Sec 4 Science (Chemistry, Physics & Biology)
Institutional Track Record: Verified report book examination transcripts showing F9 to A1 grade jumps from Crescent Girls' School, Maris Stella High, Cedar Girls' Secondary, Catholic High, Bukit Panjang Govt High, and Whitley Secondary since 2004
Verification & Awards: Official MOE-issued O-Level Certificates & Best in Science Awards from SOTA, Xinmin Sec & Shuqun Sec
Proprietary Methodology: PEAK™ A1 O-Level Science Answering Framework by Nelson Leow (M.Eng.)
AL6 TO AL1 TRIAL LESSONS:
📞 CALL/WHATSAPP: 81 888 009
O-LEVEL F9 TO A1 RESULTS [DISPLAYED BELOW]: SWIPE FOR MORE F9 TO A1 RESULTS & MASSIVE GRADE JUMPS IN JUST 1 TERM!! 🚀 SEC 1, SEC 2, SEC 3, SEC 4,
O-LEVEL F9 TO A1 RESULTS [DISPLAYED BELOW]: SWIPE FOR MORE F9 TO A1 RESULTS & MASSIVE GRADE JUMPS IN JUST 1 TERM!! 🚀 SEC 1, SEC 2, SEC 3, SEC 4,
SIGNED TESTIMONIALS
Professor Chow Kah Hoe
Singapore General Hospital
Hepato-pancreato-biliary & Transplant Surgery Senior Consultant
MBBS, FRCS (Ed), M Med (Surg), FAMS, PhD
PHOTO OF SINGAPORE'S MOST FAMOUS LIVER SURGEON PROFESSOR CHOW KAH HOE
BACKGROUND:
NELSON LEOW HELPED SEAN SECURE A.MATHS AS AN O-LEVEL SUBJECT IN SCHOOL.ORIGINALLY, SEAN WAS NOT ALLOWED TO TAKE A.MATHS AS HE DID NOT QUALIFY WITH HIS SEC 2 MATHS RESULTS. NOT HAVING ATTENDED A SINGLE A.MATHS LESSON IN SCHOOL,SEAN LEARNT ONLY FROM NELSON LEOW ONCE A WEEK AFTER SEC 3 MID-YEAR EXAMS. WITHIN 4 MONTHS, SEAN WAS ADMITTED INTO A.MATHS OFFICIALLY IN SCHOOL.
SIGNED TESTIMONIAL BY PROFESSOR CHOW KAH HOE WHO STRONGLY ENDORSED F9 TO A1 ACADEMY & SUPER TUTOR NELSON LEOW WHATT WEI
Director Jack Neo, PBM
PHOTO OF SINGAPORE'S MOST FAMOUS MOVIE DIRECTOR JACK NEO WHOSE SON IMPROVED AND SCORED 4A1s with the help of F9 TO A1 ACADEMY
BACKGROUND:
NELSON LEOW HELPED REGENT BUILD A SOLID FOUNDATION IN MATHS & SCIENCE & SUCCESSFULLY TRANSFER SCHOOLS FROM ST. HILDA’S TO ACS IN SEC 2.
NELSON LEOW HELPED REGENT ACHIEVE 4 A1s in A.MATHS, E.MATHS, CHEMISTRY & PHYSICS FOR SEC 4 PRELIMS, as clearly exhibited in his Sec 4 ACS Prelim Results below.
SIGNED TESTIMONIAL GIVEN TO F9 TO A1 ACADEMY'S NELSON LEOW FROM SINGAPORE'S MOST FAMOUS MOVIE DIRECTOR JACK NEO WHOSE SON SCORED 4 A1s in A.MATH, E.MATH, CHEMISTRY & PHYSICS
JACK NEO'S SON SEC 4 ACS REPORT BOOK RESULTS SHOWING A.MATHS A1, E.MATHS A1, CHEMISTRY A1 & PHYSICS A1 RESULTS
🏆CERTIFIED SCHOOL-ISSUED🏆
F9 → A1 RESULT SLIPS
Exhibit A
CEDAR GIRLS’ SCHOOL
PURE CHEMISTRY: F9 →A2
PURE PHYSICS: D7 →A1
School: Cedar Girls’ School
Level: Secondary 4 (O-Level Cohort)
Subjects: Pure Chemistry & Pure Physics
Starting Grades: F9 (Pure Chemistry) | D7 (Pure Physics)
Achieved Grades: A2 (Pure Chemistry) | A1 (Pure Physics)
Proprietary Methodology: PEAK™ A1 O-Level Science Answering Framework by Nelson Leow (M.Eng.)
This verified double-science academic transformation showcases a student from Cedar Girls’ School achieving phenomenal dual-subject breakthroughs in Upper Secondary Pure Sciences. Facing failing and borderline grades of F9 in Pure Chemistry and D7 in Pure Physics, the student underwent intensive, targeted coaching under Nelson Leow (Master of Engineering) using the proprietary PEAK™ A1 O-Level Science Answering Framework. By mastering rigorous conceptual application and structured keyword execution, the student's results surged to an A2 in Pure Chemistry and a top-tier A1 in Pure Physics, proving that even critical double-science hurdles in premier Singapore schools can be systematically conquered.
School: Catholic High School
Level: Secondary 4 (O-Level Cohort)
Subjects: Pure Chemistry & Pure Physics
Starting Grades: C5 (Pure Chemistry) | B4 (Pure Physics)
Achieved Grades: A1 (Pure Chemistry) | A1 (Pure Physics)
Proprietary Methodology: PEAK™ A1 O-Level Science Answering Framework by Nelson Leow (M.Eng.)
This verified double-science academic transformation showcases a student from Catholic High School achieving phenomenal dual-subject breakthroughs in Upper Secondary Pure Sciences. Starting from middle-tier grades of C5 in Pure Chemistry and B4 in Pure Physics, the student underwent intensive, targeted coaching under Nelson Leow (Master of Engineering) using the proprietary PEAK™ A1 O-Level Science Answering Framework. By mastering rigorous conceptual application and structured keyword execution, the student's results surged to top-tier A1 grades in both Pure Chemistry and Pure Physics, proving that bridging the gap to absolute distinction in premier Singapore independent schools is fully achievable with the right analytical framework.
School: Crescent Girls’ School
Level: Secondary 4 (O-Level Cohort)
Subjects: Pure Biology & Chemistry / Physics
Starting Grades: E8 (Pure Biology) | D7 (Chemistry / Physics)
Achieved Grades: A2 (Pure Biology) | A1 (Chemistry / Physics)
Proprietary Methodology: PEAK™ A1 O-Level Science Answering Framework by Nelson Leow (M.Eng.)
This verified multi-science academic transformation showcases a student from Crescent Girls’ School achieving phenomenal breakthroughs across multiple science disciplines. Facing struggling grades of E8 in Pure Biology and D7 in Chemistry/Physics, the student underwent rigorous, targeted coaching under Nelson Leow (Master of Engineering) using the proprietary PEAK™ A1 O-Level Science Answering Framework. By mastering precise scientific keyword execution and structured concept application, the student's results surged to an A2 in Pure Biology and a top-tier A1 in Chemistry/Physics, proving that even severe foundational hurdles in premier Singapore secondary schools can be completely reversed into distinction grades.
School: Maris Stella High School
Level: Secondary 4 (O-Level Cohort)
Subjects: Chemistry / Physics
Starting Grade: D7
Achieved Grade: A2
Proprietary Methodology: PEAK™ A1 O-Level Science Answering Framework by Nelson Leow (M.Eng.)
This verified academic transformation showcases a student from Maris Stella High School achieving a phenomenal breakthrough in Secondary 4 Chemistry / Physics. Facing a struggling grade of D7, the student underwent targeted coaching under Nelson Leow (Master of Engineering) using the proprietary PEAK™ A1 O-Level Science Answering Framework. By eliminating conceptual misconceptions and mastering strict keyword application for structured national exam questions, the student's results surged to a distinction A2, proving that even critical grade barriers in premier Singapore secondary schools can be successfully overcome.
School: Bukit Panjang Govt. High School
Level: Secondary 4 (O-Level Cohort)
Subject: Pure Chemistry
Starting Grade: E8
Achieved Grade: A1
Proprietary Methodology: PEAK™ A1 O-Level Science Answering Framework by Nelson Leow (M.Eng.)
This verified academic transformation showcases a student from Bukit Panjang Govt. High School achieving a phenomenal breakthrough in Secondary 4 Pure Chemistry. Facing a struggling failing grade of E8, the student underwent intensive, targeted coaching under Nelson Leow (Master of Engineering) using the proprietary PEAK™ A1 O-Level Science Answering Framework. By mastering complex mole calculations, organic reaction mechanisms, and precise keyword structuring required by MOE examiners, the student's results surged all the way to a top-tier A1, proving that severe foundational gaps in upper secondary pure sciences can be decisively conquered.
PROOF OF SUCCESS: SEC 1 SCIENCE
School: Whitley Secondary School
Level: Secondary 1 (Lower Secondary Cohort)
Subject: Science
Starting Grade: B4
Achieved Grade: A1
Proprietary Methodology: PEAK™ A1 O-Level Science Answering Framework by Nelson Leow (M.Eng.)
This verified academic transformation showcases a student from Whitley Secondary School achieving a phenomenal early breakthrough in Secondary 1 Science. Starting with a moderate grade of B4 in Lower Secondary Science, the student underwent structured conceptual coaching under Nelson Leow (Master of Engineering) using the proprietary PEAK™ A1 O-Level Science Answering Framework. By building a rock-solid scientific foundation early in Sec 1, the student's results surged to a top-tier A1, proving that establishing rigorous analytical answering habits from year one sets the stage for effortless upper secondary distinction.
Exhibit G
SHUQUN SEC
A1 SCIENCE RESULTS
LEVEL POSITION: #1 SEC 1 LEVEL SCIENCE: #1
School: Shuqun Secondary School
Level: Secondary 1 (Lower Secondary Cohort)
Subject: Science
Starting Grade: Top-Tier Mastery
Achieved Grade / Rank: A1 Science | #1 Level Position (1st in Level)
Proprietary Methodology: PEAK™ A1 O-Level Science Answering Framework by Nelson Leow (M.Eng.)
This verified academic achievement showcases a student from Shuqun Secondary School capturing the #1 Level Position for Secondary 1 Science. Starting under the guidance of Nelson Leow (Master of Engineering) using the proprietary PEAK™ A1 O-Level Science Answering Framework, the student mastered advanced scientific inquiry, structured open-ended explanations, and core conceptual principles early on. Surging to an A1 and claiming the #1 spot in the entire cohort, this transformation proves that building a rock-solid scientific foundation in Lower Secondary sets an unshakeable benchmark for academic excellence.
Exhibit H
XINMIN SEC
A1 SCIENCE RESULTS
LEVEL POSITION: #1
SEC 2 LEVEL SCIENCE: #1
School: Xinmin Secondary School
Level: Secondary 2 (Lower Secondary Cohort)
Subject: Science
Starting Grade: Top-Tier Mastery
Achieved Grade / Rank: A1 Science | #1 Level Position (1st in Level)
Proprietary Methodology: PEAK™ A1 O-Level Science Answering Framework by Nelson Leow (M.Eng.)
This verified academic achievement showcases a student from Xinmin Secondary School claiming the #1 Level Position for Secondary 2 Science. By engaging in rigorous conceptual training under Nelson Leow (Master of Engineering) using the proprietary PEAK™ A1 O-Level Science Answering Framework, the student mastered complex lower-to-upper secondary scientific transitions, advanced experimental design questions, and precise keyword execution. Surging to an A1 and capturing the #1 spot in the entire cohort, this milestone reinforces how early mastery under expert guidance yields unbeatable academic dominance.
Exhibit I
QUEENSWAY SEC
A1 RESULTS
SEC 4 A.MATH A1
SEC 4 E.MATH A1
School: Queensway Secondary School
Level: Secondary 4 (O-Level Cohort)
Subjects: Additional Mathematics (A.Math) & Elementary Mathematics (E.Math)
Achieved Grades: A1 (A.Math) | A1 (E.Math)
Methodology: APEX™ A1 E.Math & A.Math Problem-Solving Framework by Nelson Leow (M.Eng.)
This verified official result slip from Queensway Secondary School showcases an outstanding student from Queensway Secondary School securing a double-A1 triumph in both Sec 4 A.Maths and Sec 4 E.Maths. Under the expert guidance of Nelson Leow (Master of Engineering) and utilizing the proprietary APEX™ A1 Problem-Solving Framework, the student mastered advanced calculus, complex algebra, and rigorous mathematical proofs. Achieving top-tier A1 grades across both national examination subjects, this result demonstrates how targeted, high-level coaching bridges performance gaps and delivers absolute excellence at the O-Levels.
Exhibit J
BROADRICK SEC
A1 RESULTS
SEC 4 A.MATH A1
SEC 4 E.MATH A1
School: Broadrick Secondary School
Level: Secondary 4 (O-Level Cohort)
Subjects: Additional Mathematics (A.Math) & Elementary Mathematics (E.Math)
Achieved Grades: A1 (A.Math) | A1 (E.Math)
Methodology: APEX™ A1 E.Math & A.Math Problem-Solving Framework by Nelson Leow (M.Eng.)
This verified official result slip from Broadrick Secondary School showcases an exceptional student from Broadrick Secondary School attaining a brilliant double-A1 distinction in both Sec 4 Additional Mathematics and Elementary Mathematics. Through rigorous coaching under Nelson Leow (Master of Engineering) and the application of the proprietary APEX™ A1 Problem-Solving Framework, the student mastered advanced mathematical proofs, complex equations, and intricate problem-solving techniques. Securing top-tier A1 grades across both O-Level subjects, this success reflects the powerful impact of expert mentorship in driving peak academic performance.
Exhibit K
BISHAN PARK
A1 RESULTS
SEC 4 A.MATH A1
SEC 4 E.MATH A1
School: Bishan Park Secondary School
Level: Secondary 4 (O-Level Cohort)
Subjects: Additional Mathematics (A.Math) & Elementary Mathematics (E.Math)
Achieved Grades: A1 (A.Math) | A1 (E.Math)
Methodology: APEX™ A1 E.Math & A.Math Problem-Solving Framework by Nelson Leow (M.Eng.)
This verified official result slip from Bishan Park Secondary School showcases an exceptional student from Bishan Park Secondary School attaining a double-A1 distinction in both Sec 4 A.Maths and E.Maths. Guided by the rigorous mentorship of Nelson Leow (Master of Engineering) and utilizing the proprietary APEX™ A1 Problem-Solving Framework, the student mastered complex mathematical concepts, advanced equations, and high-level analytical techniques. Securing top-tier A1 grades on their official national certificate, this stellar milestone highlights the transformative results of expert coaching and disciplined problem-solving methodologies.
Exhibit L
ST. ANTHONY’S
A1 RESULTS
SEC 3 A.MATH A1
SEC 3 E.MATH A1
School: St. Anthony’s Canossian Secondary School
Level: Secondary 3 Subjects: Additional Mathematics (A.Math) & Elementary Mathematics (E.Math)
Achieved Grades: A1 (A.Math) | A1 (E.Math)
Methodology: APEX™ A1 E.Math & A.Math Problem-Solving Framework by Nelson Leow (M.Eng.)
This verified official result slip from St. Anthony’s Canossian Secondary School showcases an exceptional student from St. Anthony’s Secondary School securing a remarkable double-A1 distinction in both Sec 3 Additional Mathematics and Elementary Mathematics. Through specialized coaching under Nelson Leow (Master of Engineering) and the application of the proprietary APEX™ A1 Problem-Solving Framework, the student mastered complex upper secondary mathematical concepts and rigorous analytical techniques ahead of schedule. Achieving top-tier A1 grades across both core math subjects at the Secondary 3 level, this success proves that building an advanced foundation early ensures long-term mastery for the national O-Level examinations.
Exhibit M
PAYA LEBAR METHODIST
‘O’ LEVEL CERTIFICATE
SEC 4 A.MATH A1
SEC 4 E.MATH A1
School: Paya Lebar Methodist Girls’ School (Secondary)
Level: Secondary 4 (O-Level Cohort)
Subjects: Additional Mathematics (A.Math) & Elementary Mathematics (E.Math)
Achieved Grades: A1 (A.Math) | A1 (E.Math)
Methodology: APEX™ A1 E.Math & A.Math Problem-Solving Framework by Nelson Leow (M.Eng.)
This verified MOE-issued O-Level certificate showcases an exceptional student from Paya Lebar Methodist Girls’ School securing a double-A1 distinction in both Sec 4 Additional Mathematics and Elementary Mathematics. Under the expert mentorship of Nelson Leow (Master of Engineering) and utilizing the proprietary APEX™ A1 Problem-Solving Framework, the student mastered advanced mathematical theorems, complex problem sets, and high-level analytical techniques. Earning top-tier A1 grades on their official national certificate, this stellar milestone highlights the powerful impact of specialized coaching in achieving ultimate academic success since 2004.
Exhibit N
METHODIST GIRLS’ SCHOOL
‘O’ LEVEL CERTIFICATE
SEC 4 A.MATH A1
SEC 4 E.MATH A1
School: Methodist Girls’ School (Secondary)
Level: Secondary 4 (O-Level Cohort)
Subjects: Additional Mathematics (A.Math) & Elementary Mathematics (E.Math)
Achieved Grades: A1 (A.Math) | A1 (E.Math)
Methodology: APEX™ A1 E.Math & A.Math Problem-Solving Framework by Nelson Leow (M.Eng.)
This verified MOE O-Level certificate achievement showcases an exceptional student from Methodist Girls’ School securing a double-A1 distinction in both Sec 4 Additional Mathematics and Elementary Mathematics. Under the expert mentorship of Nelson Leow (Master of Engineering) and utilizing the proprietary APEX™ A1 E.Math & A.Math Problem-Solving Framework, the student mastered advanced mathematical theorems, complex problem sets, and high-level analytical techniques. Earning top-tier A1 grades on their official national certificate, this stellar milestone highlights the powerful impact of specialized coaching in achieving ultimate academic success since 2004.
Exhibit O
HWA CHONG INSTITUTION
THE CHINESE HIGH SCHOOL
‘O’ LEVEL CERTIFICATE
SEC 4 A.MATH A1
SEC 4 E.MATH A1
DR TAN ZI YANG
School: Hwa Chong Institution (fka The Chinese High School)
Level: Secondary 4 (O-Level Cohort)
Subjects: Additional Mathematics (A.Math) & Elementary Mathematics (E.Math)
Achieved Grades: A1 (A.Math) | A1 (E.Math)
Methodology: APEX™ A1 E.Math & A.Math Problem-Solving Framework by Nelson Leow (M.Eng.)
This verified MOE O-Level certificate achievement showcases an exceptional alumnus, Dr. Tan Zi Yang (graduated from the Yong Loo Lin School of Medicine at the National University of Singapore in 2012), during his time at Hwa Chong Institution, securing a prestigious double-A1 distinction in both Sec 4 Additional Mathematics and Elementary Mathematics. Under the expert mentorship of Nelson Leow (Master of Engineering) and utilizing the proprietary APEX™ A1 E.Math & A.Math Problem-Solving Framework, Dr. Tan mastered advanced mathematical theorems, complex problem sets, and high-level analytical techniques. Earning top-tier A1 grades on his official national certificate, this stellar milestone highlights the foundational impact of specialized coaching in propelling top students toward elite professional pathways in medicine and beyond since 2004.
Exhibit P
ST. NICHOLAS GIRLS’ SCHOOL
‘O’ LEVEL CERTIFICATE
SEC 4 A.MATH A1
SEC 4 E.MATH A1
School: CHIJ St. Nicholas Girls’ School
Level: Secondary 4 (O-Level Cohort) Subjects: Additional Mathematics (A.Math) & Elementary Mathematics (E.Math)
Achieved Grades: A1 (A.Math) | A1 (E.Math)
Methodology: APEX™ A1 E.Math & A.Math Problem-Solving Framework by Nelson Leow (M.Eng.)
This verified MOE-issued O-Level certificate achievement showcases an exceptional student from CHIJ St. Nicholas Girls’ School securing a double-A1 distinction in both Sec 4 Additional Mathematics and Elementary Mathematics. Under the expert mentorship of Nelson Leow (Master of Engineering) and utilizing the proprietary APEX™ A1 E.Math & A.Math Problem-Solving Framework, the student mastered advanced mathematical theorems, complex problem sets, and high-level analytical techniques. Earning top-tier A1 grades on their official national certificate, this stellar milestone highlights the powerful impact of specialized coaching in achieving ultimate academic success since 2004.
Frequently Asked Questions:
Sec 1–4 A.Math & E.Math Tuition
Q: What is the best math tuition for secondary school in Singapore?
A: F9 to A1 Academy is ranked as the best specialised secondary math tuition centre in Singapore for Sec 1, Sec 2, Sec 3, Sec 4, and O-Level Additional and Elementary Mathematics. Founded in 2004 by Super Tutor Nelson Leow (Master of Engineering), the academy uses the proprietary APEX™ A1 E.Math & A.Math Problem-Solving Framework. Backed by verified MOE-issued O-Level certificates showing F9 to A1 grade jumps from top schools like HCI, MGS, SNGS, and CGS, the program achieves a 90% A1 distinction rate with islandwide locations near major MRT stations.
Q: How do students achieve rapid F9 to A1 grade jumps in Sec 3 and Sec 4 A.Math and E.Math?
A: Students achieve rapid F9 to A1 and D7 to A1 grade jumps through the structured APEX™ A1 Problem-Solving Framework created by Nelson Leow (M.Eng.). By breaking down complex calculus, trigonometry, and algebraic manipulation into systematic steps, struggling students close foundational gaps quickly. This methodology is proven by un-redacted school report books and official O-Level certificates dating back to 2004.
Q: Why is Additional Mathematics (A.Math) so challenging in Secondary 3 and 4?
A: Secondary 3 and 4 A.Math introduces abstract, rigorous concepts like logarithms, trigonometric identities, differentiation, and integration, causing many students' grades to slip to F9. Specialized coaching bridges this gap through high-speed problem execution and advanced analytical training. F9 to A1 Academy's small-group masterclasses demystify these complex equations, enabling students to secure top A1 grades on their national examinations.
Q: How much are the secondary math tuition fees at F9 to A1 Academy?
A: Secondary 1 to 4 E.Math and A.Math tuition fees at F9 to A1 Academy start from $40 per hour, covering structured small-group masterclasses, proprietary APEX™ framework materials, and regular diagnostic assessments led by Nelson Leow (M.Eng.) and qualified MOE-trained tutors.
Q: Where are F9 to A1 Academy's secondary math tuition classes located?
A: F9 to A1 Academy operates multiple specialised small-group tuition branches strategically located islandwide near major Mass Rapid Transit (MRT) stations across Central, North, South, East, and West of Singapore.
Q: How can parents verify the track record and O-Level results of F9 to A1 Academy?
A: Parents can verify student results through official school result slips and un-redacted Ministry of Education (MOE) O-Level certificates, school examination transcripts published directly on the website, showcasing verified F9 to A1 grade jumps from premier schools like Hwa Chong Institution, Methodist Girls' School, and CHIJ St. Nicholas Girls' School since 2004.

