PSLE School Posting in 2021: Understanding Achievement Level Bands and the New Posting System

Quick Answer: PSLE school posting in 2021 was the first year to use the new Achievement Level (AL) scoring system, replacing the T-score system that had been used for decades. Under the AL system, students receive scores from AL1 (best) to AL8 for each subject, and their total PSLE score — the sum of four subject AL scores — determines secondary school eligibility. Posting is based on the student's PSLE score, their ranked school choices, and available vacancies at each school.

The 2021 PSLE cohort was the first group of students to experience the new Achievement Level scoring and posting system, marking one of the most significant changes to Singapore's primary-to-secondary transition process in recent history. For parents and students navigating the PSLE for the first time after 2021, understanding how the AL posting system works — and how it differs from the T-score system that preceded it — is essential for making informed secondary school choices.

Why the PSLE Scoring and Posting System Changed in 2021

The Ministry of Education (MOE) introduced the Achievement Level scoring system in 2021 to replace the T-score system. The change was designed to reduce the excessive focus on fine score differences, encourage students to focus on their own learning rather than relative performance, and give families more meaningful information about secondary school options.

Under the old T-score system, a student's PSLE aggregate was a transformed score that reflected their performance relative to their cohort. A difference of one or two points in the T-score aggregate could affect school posting, leading to intense pressure over very small performance differences. The T-score also did not directly tell a student or parent what the score meant in terms of subject mastery — a T-score of 230, for example, did not indicate whether the student had a strong grasp of the subject content or had simply performed better than most of their peers.

The AL system addresses these concerns by using raw mark ranges to assign bands. Each subject is scored independently, and the total PSLE score is simply the sum of the four subject scores. A student with AL2, AL3, AL3, and AL4 across their four subjects has a PSLE score of 12, and that score has the same meaning regardless of how other students performed. This criterion-referenced approach means that a student's posting outcome depends on their own achievement level, not on their ranking within the cohort.

How the AL Scoring System Works

Under the AL system, each PSLE subject is scored on a scale of AL1 to AL8, with AL1 representing the highest achievement and AL8 the lowest. The score for each subject is determined by the student's raw mark in that subject, mapped to the corresponding AL band.

The AL bands and their corresponding mark ranges are:

• AL1: 90 marks and above
• AL2: 85 to 89 marks
• AL3: 80 to 84 marks
• AL4: 75 to 79 marks
• AL5: 65 to 74 marks
• AL6: 45 to 64 marks
• AL7: 20 to 44 marks
• AL8: Below 20 marks

A student's PSLE score is the sum of the AL scores across all four subjects — English, Mathematics, Science, and Mother Tongue Language. The best possible score is 4 (AL1 in all four subjects), and the score range runs from 4 to 32. Each AL band covers a range of raw marks, meaning that students with slightly different raw marks but within the same AL band receive the same AL score for that subject — a deliberate design choice that reduces the pressure to chase every fraction of a mark.

This scoring system applies to all students taking the standard PSLE subjects. For students taking Foundation-level subjects, the Foundation AL bands (AL A to AL C) are mapped to standard AL equivalents (AL6 to AL8) for the purpose of calculating the total PSLE score.

How School Posting Works Under the AL System

School posting under the AL system follows a computerised matching process based on three factors: the student's PSLE score, the student's ranked order of school choices, and the available vacancies at each school. Students with lower PSLE scores (meaning better performance) are posted before those with higher scores.

The posting process begins after students receive their PSLE results and submit their secondary school choices. Students are ranked by their PSLE score, from the lowest (best) to the highest. The system processes students in order, starting with those with the lowest PSLE scores. For each student, the system looks at the student's first-choice school. If there is a vacancy, the student is posted there. If the first-choice school is full, the system moves to the second choice, and so on, until a school with a vacancy is found.

If two students have the same PSLE score and are competing for the last available place at a school, tie-breakers are applied in this order: first, citizenship status (Singapore Citizens have priority over Permanent Residents, who have priority over international students); second, the order of school choice (a student who ranked the school higher on their list is given priority); and third, a computerised ballot.

This means that the school choice order matters. A student with a PSLE score of 10 who lists School A as their first choice will be posted to School A over a student with the same PSLE score of 10 who lists School A as their second choice, if only one vacancy remains. This is a significant change from the T-score system, where the finer granularity of T-scores meant that tie-breakers were less frequently needed and the exact PSLE score was the dominant factor.

Understanding Cut-Off Points in the AL Era

Under the AL system, a school's cut-off point is the PSLE score of the last student posted to that school in a given year. Cut-off points are not set by schools in advance — they are determined by the supply of vacancies and the demand from students applying to each school.

Because the AL score range is narrower than the old T-score range (4 to 32, compared with roughly 0 to over 280 for T-scores), more students share the same PSLE score under the AL system. This means that cut-off points can be less fine-grained — it is common for multiple schools to share the same cut-off point — and that the school choice order and the tie-breakers play a larger role in posting outcomes than they did under the T-score system.

For families researching secondary schools, the MOE publishes indicative cut-off point ranges for each school based on the previous year's posting results. These ranges, rather than single-point cut-offs, provide a more realistic picture of what scores are typically posted to a given school. A school might have an indicative cut-off range of 8 to 12, meaning that in the most recent posting year, the lowest score posted was 8 and the highest was 12. Students with scores within or below this range are potential candidates for the school, though posting depends on the factors described above.

Posting Groups and Subject-Based Banding

Alongside the AL scoring system, the 2021 posting changes introduced Full Subject-Based Banding (Full SBB), which replaced the old Express, Normal (Academic), and Normal (Technical) streaming system with three Posting Groups — PG1, PG2, and PG3 — corresponding roughly to the old N(T), N(A), and Express streams respectively.

A student's PSLE score determines which Posting Group they are eligible for:

• PSLE score of 4 to 20: Eligible for Posting Group 3 (roughly equivalent to the old Express stream)
• PSLE score of 21 to 22: Eligible for Posting Group 2 or Posting Group 3 (option to choose)
• PSLE score of 23 to 24: Eligible for Posting Group 2 (roughly equivalent to N(A))
• PSLE score of 25: Eligible for Posting Group 1 or Posting Group 2 (option to choose)
• PSLE score of 26 to 30: Eligible for Posting Group 1 (roughly equivalent to N(T)), with the PSLE score of 30 to be aggregated with AL7 or better in both English and Mathematics

The introduction of Posting Groups is part of a broader move toward allowing students to take subjects at different levels based on their strengths, rather than being placed in a fixed stream for all subjects. Students in PG2, for example, may take some subjects at a more demanding level if they performed well in those specific subjects at PSLE. This flexibility is a significant departure from the old streaming system and gives students more opportunities to study subjects at a level that matches their ability in each area.

Practical Tips for Making Secondary School Choices Under the AL System

Making secondary school choices under the AL system requires a slightly different approach than under the old T-score system. These practical guidelines can help families navigate the process.

Research schools based on fit, not just cut-off points: Because more students share the same PSLE score under the AL system, two schools with the same cut-off point may have very different cultures, programmes, and subject offerings. Visiting school open houses (in person or virtually), talking to current students and alumni, and reviewing each school's distinctive programmes — such as Applied Learning Programmes, Learning for Life Programmes, and co-curricular activity offerings — can help a family identify schools where the student is likely to thrive beyond just meeting the academic entry criteria.

Use the six school choices strategically: Students have six secondary school choices. The first and second choices should be schools where the student's score falls within or below the indicative cut-off range — these are realistic aspirations. The third and fourth choices should be schools where the student's score falls comfortably within the indicative range — these are solid matches. The fifth and sixth choices should be schools where the student's score falls below the indicative range — these are safety options that ensure a posting even if the more competitive choices do not work out.

Do not leave choices blank: Every one of the six choices should be filled. Leaving choices blank does not improve the chances of getting into a higher-ranked school — it only increases the risk that the system will post the student to a school with vacancies that the family did not actively consider.

Consider the school choice order carefully: Because school choice order is a tie-breaker under the AL system, the ranking of choices matters more than it did under the T-score system. A student with a PSLE score of 10 who ranks School A first has an advantage over a student with the same score who ranks School A second. Families should rank choices in their true order of preference, not based on assumptions about which school is "easier" to get into.

FAQ

What is the difference between the T-score system and the AL system for school posting?

The T-score system calculated a student's aggregate based on their performance relative to the entire cohort, producing fine-grained scores that could differ by fractions of a point. The AL system assigns each subject a band (AL1 to AL8) based on the student's raw marks, and the total PSLE score (4 to 32) is simply the sum of the four subject scores. Under the AL system, school choice order and tie-breakers play a larger role in posting because more students share the same total score.

If my child has the same PSLE score as another student, who gets posted first to a school?

When two or more students with the same PSLE score are competing for the last available place at a school, tie-breakers are applied in this order: first, citizenship status (Singapore Citizens before Permanent Residents before international students); second, the order of school choice (a student who ranked the school higher gets priority); third, a computerised ballot. This means that how your child ranks a school on their choice list can directly affect their posting outcome when scores are tied.

How were cut-off points different in 2021 compared to T-score years?

The 2021 cut-off points were expressed as AL score ranges (for example, 8 to 12) rather than single T-score numbers. Because the AL score range is narrower (4 to 32 compared with T-scores over a much wider range), multiple schools now share the same cut-off point, and small differences in raw marks within the same AL band do not affect posting. In 2021, the MOE also published indicative cut-off point ranges based on the previous year's simulated AL scores to help families understand the new system before results were released.

What are Posting Groups and how do they affect secondary school options?

Posting Groups (PG1, PG2, and PG3) replaced the old Express, Normal (Academic), and Normal (Technical) streams starting from the 2024 Secondary 1 cohort, with the transition beginning in earlier years. A student's PSLE score determines their eligibility for Posting Groups, which in turn determines the range of secondary schools they can choose from. However, under Full Subject-Based Banding, students can take individual subjects at a higher or lower level regardless of their Posting Group, giving them more flexibility than the old fixed-stream system.

Can my child change secondary schools after the PSLE posting results are released?

Yes, but the process is limited. After receiving posting results, students can apply for a school transfer to another secondary school. Transfer applications are considered by the receiving school on a case-by-case basis, considering the student's PSLE score, the school's available vacancies, and sometimes the student's performance in specific subjects or talents in relevant areas. Transfer is not guaranteed, and students should report to their posted school while a transfer application is being processed. Families considering a transfer should contact the desired school directly to understand their transfer application procedures.

How can my child prepare for secondary school English after PSLE posting?

After PSLE results and posting, the transition to secondary school English is one of the most important academic preparations a student can make. The secondary English syllabus involves more analytical reading, argumentative and discursive writing, and sustained oral interaction than the PSLE syllabus. Enrolling in a bridging programme or secondary English preparation course during the post-PSLE holiday period can help students adjust. iWorld Learning, a Singapore-based English language school, offers middle school English courses and high school English courses designed to support students through the secondary school English curriculum with internationally certified teachers and CEFR-aligned learning paths.

Summary

The PSLE school posting system introduced in 2021 uses Achievement Level scores rather than T-scores, placing greater emphasis on criterion-referenced assessment, school choice order, and the breadth of the secondary school landscape rather than on fine score differences. Understanding the AL bands, how the posting algorithm processes student choices, the role of tie-breakers, and the new Posting Groups gives families the information they need to make thoughtful secondary school decisions. Researching schools based on programme fit and culture — not only on cut-off points — remains the most reliable approach to finding a secondary school where a student will learn well and develop holistically.

For students preparing for secondary school English after PSLE posting, contact iWorld Learning — a Singapore-based English language school offering English courses from primary through pre-university levels, with campuses near Tanjong Pagar and Somerset MRT stations. The centre's internationally certified teachers deliver small-group classes with structured learning paths that support the MOE secondary English syllabus.