Challenger Elementary vs Endeavour Elementary School
Endeavour Elementary School has a higher overall rating of 8.1/10 compared to 7.2/10. In math proficiency, Endeavour Elementary School leads at 84.0%.
Attendance data is under correction. A public school's existing Resources & Environment score and overall rating shown here may still reflect an unverified attendance input.
Challenger Elementary
Issaquah, WA
395 students
Endeavour Elementary School
Issaquah, WA
478 students
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| Metric | Challenger Elementary | Endeavour Elementary School |
|---|---|---|
| Overall Rating | 7.2 / 10 | 8.1 / 10 |
| Academic Score | 8.5 | 9.7 |
| Growth Score | 6.0 | 6.9 |
| Diversity Index | — | — |
| Free/Reduced Lunch | 18% | 9% |
| Environment Score | 8.2 | 8.8 |
| State Rank | #656 of 2,251 | #267 of 2,251 |
| State Percentile | 71th | 88th |
Test Scores
| Subject | Challenger Elementary | Endeavour Elementary School |
|---|---|---|
| Math Proficiency | 69.0% | 84.0% |
| Math (State Avg) | — | — |
| ELA Proficiency | 70.0% | 82.0% |
| ELA (State Avg) | — | — |
School Details
Neighborhood
| Metric | Issaquah (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 Rate | 6.4% | 6.4% |
| Avg Commute | 30 min | 30 min |
The data story: Challenger Elementary vs Endeavour Elementary School
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
Challenger Elementary
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%.
Endeavour Elementary School
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.