AEIS vs S-AEIS: Which Exam Should You Take in 2026?

Introduction
What Is the AEIS Exam?
What Is the S-AEIS Exam?
Key Differences Between AEIS and S-AEIS
Eligibility Criteria Comparison
Exam Format and Subjects
Which Exam Is Easier?
When Should You Choose AEIS?
When Should You Choose S-AEIS?
Preparation Strategies for Both Exams
Final Thoughts

1. Introduction

For international students aiming to enter Singapore government schools, two major pathways exist: the AEIS and the S-AEIS. Choosing between them can significantly impact your child’s academic timeline and chances of success.

In this guide, we’ll break down the differences, similarities, and decision factors to help you determine which exam is the right fit. If you’re new to the process, you can explore more AEIS exam preparation resources to understand the full journey.

2. What Is the AEIS Exam?

The Admissions Exercise for International Students (AEIS) is conducted annually, typically around September or October. It is the main intake for international students seeking admission into Singapore’s primary and secondary schools.

Students who pass the AEIS will usually begin their school term in January of the following year. This makes AEIS the most popular and competitive option.

Key features:

Held once a year
Main intake for international students
Results released around December
School starts in January

3. What Is the S-AEIS Exam?

The Supplementary Admissions Exercise for International Students (S-AEIS) is conducted around February. It serves as a second opportunity for students who either missed or did not pass the AEIS.

Successful candidates typically enter schools in Term 2 (around May or June).

Key features:

Conducted once a year
Acts as a second chance
Smaller intake compared to AEIS
Mid-year school entry

4. Key Differences Between AEIS and S-AEIS

While both exams serve the same purpose, they differ in timing, competition level, and available school placements.

Timing

AEIS: September/October
S-AEIS: February

Intake Period

AEIS: January intake
S-AEIS: Mid-year intake

Seat Availability

AEIS: More vacancies
S-AEIS: Limited vacancies (leftover seats)

Competition

AEIS: Highly competitive
S-AEIS: Slightly less competitive but fewer spots

For a deeper look at trends and difficulty levels, refer to this guide on AEIS 2026 trends and difficulty comparison.

5. Eligibility Criteria Comparison

Both AEIS and S-AEIS have similar eligibility requirements, but students must meet age and academic readiness standards.

Primary Level

Based on age (P2–P5 levels)
English literacy is critical

Secondary Level

Requires stronger math and English skills
Students must match the appropriate age group

Students who fail AEIS are allowed to apply for S-AEIS, provided they still meet eligibility requirements.

6. Exam Format and Subjects

The format for both AEIS and S-AEIS is largely the same.

Primary Level

English: Reading and writing
Mathematics: Multiple-choice questions

Secondary Level

English: Comprehension and language use
Mathematics: Open-ended problem solving

The main difference is not in the format, but in the level of competition and available placements.

7. Which Exam Is Easier?

This is a common question, but the answer is nuanced.

AEIS has more seats but attracts more applicants
S-AEIS has fewer applicants but significantly fewer vacancies

In reality, neither exam is “easier.” The perceived difficulty depends on preparation level, timing, and student readiness.

Students who prepare early and thoroughly tend to perform well in AEIS, while S-AEIS is often a fallback option.

8. When Should You Choose AEIS?

AEIS is the better choice if:

Your child is fully prepared by mid-year
You want access to more school options
You prefer a standard academic start in January
You want to maximize admission chances

Because AEIS offers more placements, it is generally recommended as the first attempt.

9. When Should You Choose S-AEIS?

S-AEIS may be the better option if:

Your child needs more preparation time
You missed the AEIS registration deadline
Your child did not pass AEIS
You are flexible with mid-year school entry

However, keep in mind that fewer vacancies mean more limited school choices.

10. Preparation Strategies for Both Exams

Regardless of which exam you choose, preparation plays a crucial role.

Start Early
Students preparing for AEIS should ideally begin 6–12 months in advance. Those targeting S-AEIS can use the additional months to strengthen weak areas.

Focus on English
English is often the biggest challenge for international students. Reading comprehension and writing skills should be practiced consistently.

Master Math Fundamentals
Math questions test logic and problem-solving, not just formulas. Practice with past-year papers is essential.

Use Practice Papers
Exposure to exam-style questions improves speed and accuracy.

Create a Study Plan
A structured plan ensures balanced preparation across subjects.

11. Final Thoughts

Choosing between AEIS and S-AEIS depends on your child’s readiness, timeline, and academic goals. AEIS remains the primary and most recommended pathway due to its larger intake and better school placement opportunities.

S-AEIS, while valuable, should be viewed as a secondary option or backup plan.

Ultimately, success in either exam comes down to preparation, consistency, and strategy. By understanding the differences and planning ahead, you can make an informed decision that sets your child up for success in Singapore’s education system.

Table of Contents