How long did you actually need to prep for the ISEE Upper Level?

by Chris D. 476 views3 replies
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Chris D.OP
May 27, 2026

My daughter is applying to three boarding schools for 9th grade and they all require the ISEE. We're planning to test in November, which gives us about 10 weeks. She's a strong student — mostly A's — but hasn't done any standardized test prep before. I'm trying to figure out if 10 weeks is enough or if we should push to an earlier test date and retest if needed.

Her weakest area is definitely the quantitative reasoning section. She freezes up on those "which value is greater" comparison questions. We've been using the ISEE MATH Practice Test to drill those concepts and it's helping, but slowly. The verbal sections seem more manageable for her. Anyone have a realistic sense of what a 10-week timeline looks like? Did you do daily practice or more of a weekend-heavy schedule? I'd love to hear what actually worked, not just generic study guide advice.

Also curious — is the Upper Level notably harder than the Middle Level, or is the jump less dramatic than people say?

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Sofia R.
May 28, 2026
The Upper vs. Middle Level jump is real but not terrifying. The Upper Level essays are longer and the vocabulary in verbal is noticeably harder — we're talking roots and more obscure words. My daughter used the ISEE Sentence Completion section extensively and said that section of the actual exam felt very familiar. For timeline, I'd say 10 weeks is fine if she's putting in 45 min to an hour most days. Don't skip the essay practice even though it's not scored — schools read it.
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Chris D.
May 28, 2026
Ten weeks is totally workable, honestly. We did eight weeks for my son last fall and he scored in the 85th percentile overall. The key was consistency — 30 minutes every weekday, no exceptions, rather than cramming on weekends. Quantitative reasoning was his weak spot too. What helped most was understanding WHY the comparison questions work the way they do, not just drilling them. Once he saw the pattern, his accuracy jumped pretty fast.
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Brian Y.
May 28, 2026
One thing nobody told us: the ISEE penalizes wrong answers (unlike the SAT), so teaching your daughter to skip and move on is genuinely a test strategy, not just advice. She should never guess randomly. That mindset shift alone probably helped my kid's score more than two extra weeks of content review would have.

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