ISEE vs SSAT: Which Test Should You Take?
Both the ISEE and SSAT are used for private school admissions, but they differ in format, scoring, and strategy. This guide helps parents understand the differences so you can choose the right test for your child.
Side-by-Side Comparison
| ISEE | SSAT | |
|---|---|---|
| Administering Organization | Educational Records Bureau (ERB) | Enrollment Management Association (EMA) |
| Test Levels (for HS admission) | Upper Level (grades 9-12 entry) | Upper Level (grades 8-11) |
| Test Format | Multiple choice only | Multiple choice + writing sample |
| Scoring Penalty | No penalty for wrong answers | 1/4 point deducted for wrong answers |
| Test Frequency | Once per testing season (3 seasons/year) | Can take multiple times per year |
| Math Sections | Quantitative Reasoning + Math Achievement | Two Quantitative sections |
| Verbal Section | Synonyms + Sentence Completion | Synonyms + Analogies |
| Reading | 36 questions, 35 minutes | 40 questions, 40 minutes |
| Total Test Time | ~2 hours 50 minutes | ~3 hours 5 minutes |
| Score Report | Stanine scores (1-9), percentile ranks | Scaled scores (300-350 per section) |
Key Differences to Know
No Wrong-Answer Penalty on the ISEE
The ISEE does not penalize guessing — always answer every question. On the SSAT, a wrong answer costs 1/4 point, so strategic omission can sometimes improve your score.
ISEE: One Shot Per Season
You can only take the ISEE once per testing season (fall, winter, spring). The SSAT allows multiple attempts, giving you more chances to improve your score.
Different Verbal Question Types
The ISEE uses sentence completions alongside synonyms, testing vocabulary in context. The SSAT uses analogies, testing relational reasoning between words.
Preparing for the ISEE?
Take a free diagnostic test to see where your child stands.
Free Diagnostic TestFrequently Asked Questions
Is the ISEE or SSAT harder?
Neither test is universally harder. The ISEE has no wrong-answer penalty (encouraging guessing), while the SSAT penalizes wrong answers (rewarding strategic omission). Math content is similar, but the SSAT uses analogies instead of sentence completions in verbal, which some students find more challenging.
Do schools prefer the ISEE or SSAT?
Most private schools accept both. Some schools have a preference — check your target school's admissions page. If a school accepts both, choose the format you're more comfortable with.
Can I take both the ISEE and SSAT?
Yes. Many families have their child take both exams and submit the higher score. This strategy is especially useful if your target schools accept both.
How many times can I take the ISEE?
The ISEE can be taken once per testing season, with three seasons per year (fall, winter, spring). The SSAT can be taken up to eight times per year.
ISEE is a trademark of ERB. SSAT is a trademark of EMA. This site is not affiliated with or endorsed by either organization.