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Mercer Island School District: gifted testing

Dates and requirements change. Always confirm with Mercer Island School District directly. Last checked: 2026-10-28 · district website

Highly Capable Services

Grades K-12

Mercer Island tests all kindergarten and 2nd grade students during a two-week window in mid-January; students in grades 1 and 3-9 can be nominated by families. Nominations for January 2027 testing open November 16 and close December 18, 2026. Grades 1-2: a CogAT Screener score at the 97th percentile or higher (age or grade) starts a portfolio review.

TestGradesWhoWhen
Universal testing (tests vary by grade)KAll students testedTwo weeks in mid-Januarysource
CogAT1, 2Grade 2 universal; grade 1 by family nomination (CogAT Screener)Mid-Januarysource

Published criteria

  • 97th percentile or higher (age or grade score) on the CogAT Screener starts a portfolio review; these students can also take the Iowa math test. source

Deadlines

  • Nominations for January testing (2026-12-18): Window: November 16 - December 18, 2026. source

Appeals / retesting: Appeals only for a misinterpretation of results or a miscalculation by the committee. source

Get ready for Mercer Island School District's test

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District information is compiled from public sources and may be incomplete, out of date or wrong. GiftedCub is not affiliated with Mercer Island School District. Confirm testing windows, deadlines, eligibility criteria and cutoffs directly with the district or school before relying on them. GiftedCub is not responsible for missed deadlines or decisions based on this information.

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