If your child is applying to independent (private) schools in the United States, there is a good chance they will need to take either the ISEE (Independent School Entrance Exam) or the SSAT (Secondary School Admission Test). Both are widely accepted, both test reasoning and academic skills, and both are significantly harder than most standardised tests students encounter in public school. Choosing the right test — and preparing for it correctly — can make a meaningful difference to your child's application. This guide covers everything you need to know.
What Are the ISEE and SSAT?
The ISEE is administered by the Educational Records Bureau (ERB) and is accepted by more than 1,200 independent schools worldwide. The SSAT is administered by the Secondary School Admission Test Board and is accepted by over 2,600 independent schools. Both tests are used for grades 3 through 12, with different levels for different entry grades.
The key thing to know upfront: both tests compare your child only against other independent school applicants — not against the general student population. Independent school applicants as a group are a highly selected pool, so a score in the 50th percentile on the SSAT is the median of independent school applicants, not the median of all students. A score that would be "average" on a general-population test might fall in the 30th–40th percentile on the SSAT simply because the applicant pool is academically stronger.
ISEE Overview
The ISEE has five levels, each designed for a specific entry grade range:
| Level | Applying to grade | Current grade |
|---|---|---|
| Primary | 2nd, 3rd, or 4th grade | 1st, 2nd, or 3rd grade |
| Lower | 5th or 6th grade | 4th or 5th grade |
| Middle | 7th or 8th grade | 6th or 7th grade |
| Upper | 9th–12th grade | 8th–11th grade |
The ISEE (Lower through Upper levels) consists of five sections: Verbal Reasoning (synonyms and sentence completion), Quantitative Reasoning (word problems and quantitative comparisons), Reading Comprehension, Mathematics Achievement, and an Essay (unscored but sent to schools). Total testing time is approximately 2 hours and 40 minutes.
Scores are reported on a scale of 760–940 for each section, with a stanine score from 1 to 9 (where 5 is average, 7–9 is above average, and 9 is exceptional). Schools typically look primarily at the stanine, particularly stanines 7 and above for competitive schools.
Important ISEE rule:Students can only take the ISEE once per testing season (Fall, Winter, Spring). There are three testing seasons per year, meaning a student can take the ISEE a maximum of three times in a 12-month period. This makes strategic preparation especially important — there is no "take it again next month" option.
SSAT Overview
The SSAT also has three levels for grades 3–11:
| Level | Current grade | Score scale |
|---|---|---|
| Elementary | Grades 3–4 | 900–1800 |
| Middle | Grades 5–7 | 1320–2130 |
| Upper | Grades 8–11 | 1500–2400 |
The SSAT (Middle and Upper levels) consists of five sections: Verbal (analogies and synonyms), Quantitative (two sections of math), Reading Comprehension, and an Essay (unscored). The verbal section is widely considered the most challenging part of the SSAT, with analogies requiring sophisticated vocabulary and logical reasoning.
Scores are reported as a scaled score and a percentile rank. Unlike general-population tests, the SSAT compares your child against other independent school applicants who have taken the test in the past three years — a significantly more competitive reference group.
Guessing penalty: The SSAT deducts ¼ of a point for each incorrect answer (there is no penalty for skipped questions). Students who can eliminate even one or two obviously wrong answers should guess from the remaining options. Students who genuinely have no idea should skip rather than guess randomly. This is the opposite of the advice for many other standardised tests.
Key Differences Between ISEE and SSAT
| Factor | ISEE | SSAT |
|---|---|---|
| Retake frequency | Once per season (max 3×/year) | No limit (can retake monthly) |
| Guessing penalty | No penalty | −¼ point per wrong answer |
| Verbal format | Synonyms + sentence completion | Analogies + synonyms |
| Quantitative format | Quantitative reasoning + math achievement | Two quantitative sections (math) |
| Scoring comparison group | Independent school applicants | Independent school applicants |
| Accepted by | 1,200+ schools | 2,600+ schools |
Which Test Should My Child Take?
The most important first step is to check your target school's preference. Most schools accept both, but some explicitly prefer one over the other. If your school has no preference, use the following guidelines:
- Choose the ISEE if your child tends to guess randomly under pressure. The ISEE has no guessing penalty, which removes the need for a complex guessing strategy.
- Choose the SSAT if your child may need multiple attempts. The unlimited retake policy gives families the flexibility to try again if the first result is not competitive.
- Choose the ISEE if your child is stronger in reading comprehension than in vocabulary analogies. The ISEE's verbal section (synonyms + sentence completion) is considered more accessible than the SSAT's analogy format.
- Consider both if your target schools accept either, your child has time to prepare for one, and you want the flexibility to submit the stronger result.
Preparation Timeline
For most students, 3–6 months of structured preparation produces meaningful improvement on both tests. The verbal section (on both tests) responds well to vocabulary building over a longer horizon — 6–12 months of wide reading and deliberate vocabulary practice is more effective than intensive drilling in the month before the test.
The quantitative section responds to targeted content review: identify which math topics your child is weakest on (using a diagnostic assessment) and focus preparation time proportionally on gaps rather than strengths.
In the final 6 weeks, shift to timed full practice tests under real conditions — same environment, same timing, no interruptions. Review every error systematically. The goal is not a perfect score but a score that accurately reflects your child's genuine academic ability for their target schools.