Henry M. Jackson High School vs Mount Si High School
A head-to-head comparison of two high schools in Washington, United States, 49 km apart, using official American 2025 data. The better value in each row is highlighted.
Henry M. Jackson High School
Mill Creek · Public high · Grades 9–12
2,148 students
Mount Si High School
Snoqualmie · Public high · Grades 9–12
2,152 students
| Measure | Henry M. Jackson High School Mill Creek, Washington | Mount Si High School Snoqualmie, Washington |
|---|---|---|
| Success Index (US) | 72 Top 25% | 80 Top 10% |
| State rank | #44 of 333 | #11 of 333 |
| National rank | #2861 of 16,910 | #1353 of 16,910 |
| Sector | Public | Public |
| Type | High | High |
| Year range | Grades 9–12 | Grades 9–12 |
| Students | 2,148 | 2,152 |
| Enrollment | 2,148 | 2,152 |
| Free/reduced-price lunch | 25.5% | 13.2% |
| Students per teacher | 24.1 | 21.3 |
| Reading proficiency | 87% | 90% |
| Math proficiency | 57% | 70% |
| city | Mill Creek | Snoqualmie |
| state | Washington | Washington |
| Website | – | – |
The verdict
- •Mount Si High School scores higher on the Success Index (US) (79.5 vs 71.8).
- •Mount Si High School does better on math proficiency (70% vs 57%).
- •Mount Si High School does better on reading proficiency (90% vs 87%).
- •Mount Si High School does better on community advantage (fewer free/reduced-price lunch) (13.2% vs 25.5%).
- •Mount Si High School does better on students per teacher (21.3 vs 24.1).
- •Mount Si High School is the larger school with 2,152 students compared with 2,148.
The Success Index (US) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
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Frequently asked questions
Is Henry M. Jackson High School better than Mount Si High School?
On the Success Index (US), Mount Si High School ranks higher (79.5 vs 71.8 out of 100). The index is built from published results and context data, not from teaching quality or fit, so visit both schools before deciding.
How far apart are Henry M. Jackson High School and Mount Si High School?
About 49 km in a straight line, between Mill Creek and Snoqualmie in Washington.
Which has the better Enrollment?
Henry M. Jackson High School: 2,148. Mount Si High School: 2,152. Students enrolled in the latest NCES directory year.
How do Henry M. Jackson High School and Mount Si High School rank in Washington?
Henry M. Jackson High School is 44th of 333 and Mount Si High School is 11th of 333 among high schools in Washington on the 2025 Success Index (US).