Skip to main content

Endeavour Elementary School vs Challenger Elementary

Endeavour Elementary School has a higher overall rating of 9.2/10 compared to 8.1/10. In math proficiency, Endeavour Elementary School leads at 87.0%.

Ratings Comparison

MetricEndeavour Elementary SchoolChallenger Elementary
Overall Rating9.2 / 108.1 / 10
Academic Score9.78.8
Growth Score9.07.7
Diversity Index
Free/Reduced Lunch9%18%
Environment Score8.88.2
State Rank#63 of 2,228#398 of 2,228
State Percentile97th82th

Test Scores

SubjectEndeavour Elementary SchoolChallenger Elementary
Math Proficiency87.0%80.0%
Math (State Avg)
ELA Proficiency91.0%83.0%
ELA (State Avg)

School Details

DetailEndeavour Elementary SchoolChallenger Elementary
TypeElementary SchoolElementary School
GradesKindergarten – 5thKindergarten – 5th
Enrollment478395
Student-Teacher Ratio15.9:114.6:1
Free/Reduced Lunch9.0%18.0%
Chronic Absenteeism (SY 2022-23)19.2%33.9%
DistrictIssaquah School DistrictIssaquah School District
CityIssaquahIssaquah

Neighborhood

MetricIssaquah (98029)Issaquah (98029)
Median Household Income$164,058$164,058
Median Home Value$964,400$964,400
Median Rent$2,625$2,625
College Educated (Bachelor's+)72.6%72.6%
Poverty Rate6.4%6.4%
Avg Commute30 min30 min

The data story: Endeavour Elementary School vs Challenger Elementary

Challenger Elementary and Endeavour Elementary School sit 0.9 miles apart in Issaquah, Washington, but their state rankings tell a sharply different story. Challenger Elementary ranks #54 of 2,225 Washington schools — a strong result by any measure — yet Endeavour Elementary School ranks #16 of 2,225 in the same pool, placing it in the top 1% of the state. That gap is reflected in their overall ratings: Challenger Elementary at 9.2/10 versus Endeavour Elementary School at 9.5/10, a 0.3-point spread that understates how much distance separates them in the state rank standings.

The academic score delta is the starkest concrete difference between the two schools. Challenger Elementary earns an 8.8/10 on academics while Endeavour Elementary School scores 9.7/10 — a 0.9-point gap that represents a meaningful proficiency advantage. Growth scores are far closer: Challenger Elementary at 9.3/10 versus Endeavour Elementary School at 9.5/10, suggesting that both schools are effective at moving students forward year over year, and that Challenger Elementary's students are gaining ground at a competitive rate even if their absolute proficiency baseline sits lower.

The two schools serve noticeably different populations. Endeavour Elementary School enrolls 478 students against Challenger Elementary's 395, making it the larger campus by 83 students. Challenger Elementary carries an 18% free and reduced-price lunch rate compared to 9% at Endeavour Elementary School, indicating Challenger Elementary serves a broader socioeconomic range. On class size, Challenger Elementary's 14.6:1 student-teacher ratio offers a modest structural advantage over Endeavour Elementary School's 15.9:1 ratio — the one metric where Challenger Elementary holds an edge that directly affects daily instruction.

Both schools cover kindergarten through fifth grade, so grade span is not a differentiating factor. The practical choice comes down to whether a family prioritizes Endeavour Elementary School's top-1% state rank and higher academic proficiency score, or whether Challenger Elementary's slightly smaller class sizes, more mixed student body, and still-elite #54 state ranking better fit their child and values.

Editorial summary generated May 2026 · sonnet

Who each school fits

Endeavour Elementary School

Challenger Elementary fits families who want small class sizes — 14.6 students per teacher versus Endeavour's 15.9 — in a school that still ranks #54 out of 2,225 Washington schools. It's also the better match for families who value a modestly more socioeconomically diverse setting, with an 18% free and reduced lunch rate compared to Endeavour's 9%.

Challenger Elementary

Endeavour Elementary School fits families for whom academic proficiency is the primary criterion. Its 9.7/10 academic score beats Challenger Elementary by 0.9 points, and its #16 state rank places it in the top 1% of Washington's 2,225 schools. Families seeking the highest-performing elementary school within the same Issaquah neighborhood have a clear answer here.

More Comparisons

Compare Endeavour Elementary School with:

    Compare Challenger Elementary with: