Singapore Primary-to-Secondary School Affiliation

How affiliation priority works

It is a priority, not a separate exam

Affiliation still applies under Full Subject-Based Banding: MOE describes FSBB as running “across our secondary school system, including affiliated schools”, and affiliation as making eligible pupils entitled to “priority to the school”. It is a priority in the Secondary 1 Posting Exercise, not a separate examination or entry route, and it operates within the Posting Group the pupil qualifies for — which is why MOE reports the affiliate cut-off gap per Posting Group. (source)

The cut-off advantage is measurable but modest

MOE: “For Posting Group 3, the average difference [in cut-off between affiliates and non-affiliates] is about 7 points. For Posting Groups 2 and 1, the average difference is smaller, at 2 and 1 point respectively.” (source)

20% of places are reserved for non-affiliated pupils

MOE: “MOE required affiliated secondary schools to reserve 20% of places for non-affiliated students … from the 2019 Secondary 1 Posting Exercise.” 20% is the floor, not the outcome: in practice the split is close to even. MOE reports that for each year since the 2021 Secondary 1 Posting Exercise, “about half of the Secondary 1 cohort of the affiliated secondary schools are from non-affiliated primary schools, with the remaining half from their respective affiliated primary schools.” (source)

Schools set their own Affiliate Minimum Requirements

Affiliation is not unconditional. MOE: “With MOE’s encouragement, some affiliated schools have also tightened the Affiliate Minimum Requirements that affiliates must meet to be eligible for priority to the school, facilitating greater access for non-affiliated students.” Check the specific school’s own admission page — the requirement is set per school, not by MOE. (source)

A worked example of one school’s Affiliate Minimum Requirement

SCGS, for example, requires that a pupil has “[a]ttained a minimum PSLE AL of 17” — that is, a PSLE Score (the four-subject total) of 17 or better — and “[a]pply for SCGS SEC Programme as your first choice”. MOE does not publish these per-school bars, so read them off the school’s own admission page. (source)

It applies to the O-Level / SEC intake (Integrated Programme schools differ)

For a school that runs a 4-year (O-Level / SEC) track, the affiliation benefit is for that intake — SCGS, for example, states its “Affiliation benefit for admission … is valid for the SEC Programme only.” A few affiliated schools (such as Nanyang Girls’ High) run only the Integrated Programme; there, affiliated pupils enter through the school’s own IP admission, so check the specific school. (source)

Verified primary-to-secondary affiliations

Each row is tagged Verified (confirmed from the cited source — MOE, an official school page, or an encyclopedic reference) or Not affiliated (a commonly-assumed pair that a source confirms is not affiliated). Tap a primary school to open its source.

Primary source: MOE & individual schools.

Commonly searched, not yet confirmed

These pairs are often assumed but we could not confirm them from an official source, so we do not list them as affiliated or not affiliated. Check the secondary school's “Affiliated schools” field on MOE SchoolFinder.

• Ai Tong School → Catholic High School (Secondary) — the most-searched pair. MOE SchoolFinder lists Catholic High School (Primary Section) as Catholic High’s affiliated primary and does not list Ai Tong; no other official source confirms an affiliation.
• Tao Nan School → a feeder secondary — a SAP / Hokkien-heritage primary sometimes assumed to have an affiliated secondary; no secondary school’s MOE SchoolFinder record lists Tao Nan as an affiliated school, and no school source confirms one.
• Marsiling Primary → Marsiling Secondary — neighbouring same-name schools; no affiliation field was found. (Fuchun Secondary merged into Woodlands Ring Secondary in 2025, so the once-assumed Fuchun Primary → Fuchun Secondary pair no longer exists.)
• Chung Cheng High (Main / Yishun) feeder primaries (often cited as Kong Hwa, Poi Ching) — MOE SchoolFinder records only the Nanyang JC affiliation for both Chung Cheng campuses and no affiliated primary; Maha Bodhi is listed as a Manjusri Secondary feeder instead (see the table).

Common questions

Does affiliation give my child a lower PSLE cut-off?

It gives priority, not a separate exam: affiliated pupils are considered ahead of non-affiliated pupils for the school’s places within the same Posting Group. The advantage is measurable but modest — MOE puts the average cut-off difference at about 7 points in Posting Group 3, 2 points in PG2 and 1 point in PG1, and 20% of places are reserved for non-affiliated pupils.

Does affiliation still apply after Full Subject-Based Banding?

Yes. Full Subject-Based Banding removed Express/Normal streaming from 2024, but affiliation priority continues — it now operates inside the eligible Posting Group (PG1, PG2 or PG3) rather than the old streams. Posting is by PSLE Score, and affiliated pupils are ranked ahead of non-affiliated pupils competing for the same school.

Does affiliation apply to the Integrated Programme (IP)?

Usually not. For a school that runs a 4-year (O-Level / SEC) track, the affiliation benefit is for that intake — Singapore Chinese Girls’ School, for example, states its benefit is “valid for the SEC Programme only,” and its Integrated Programme is a separate intake entered through the Secondary 1 Posting Exercise under its own school code (IP 9132, against 7014 for the SEC Programme) or through DSA. SCGS also states that a pupil who ranks SCGS (IP) first must still rank SCGS (SEC Programme) second to keep the affiliation priority. The exception is a school that runs only the Integrated Programme, such as Nanyang Girls’ High, where affiliated pupils enter via the school’s IP admission. Check the specific school.

Is Ai Tong School affiliated to Catholic High School?

This is the most commonly searched affiliation pair, but we could not confirm it from MOE or the schools’ official pages, so we do not list it as a fact either way. The authoritative source is the “Affiliated schools” field for the school on MOE SchoolFinder — check there for any specific primary-to-secondary affiliation.

How do I check if a primary school is affiliated to a secondary school?

Search the secondary school on MOE SchoolFinder and read its “Affiliated schools” field, which lists the affiliated primary school(s). You can also check the secondary school’s own admissions page. Affiliations are a defined set that rarely changes, but always confirm against the official source for the current year.