Mount Si High School

8651 Meadowbrook Way SE, Snoqualmie, WA 98065 Map

Math (met standard)

63%

+28 state 35% · 2025-26

English (met standard)

90%

+25 state 64% · 2025-26

Science (met standard)

78%

+29 state 49% · 2025-26

Low income

13%

free or reduced-price lunch

Students

2,152

2024-25

Students per teacher

21.2

2024-25

Test score trends

Share of students who met or exceeded the state standard each year.

Grade	Math	English	Science
Grade 10	63% state 35% · 2025-26	90% state 64% · 2025-26	—
Grade 11	—	—	78% state 49% · 2025-26
All grades	63% state 35% · 2025-26	90% state 64% · 2025-26	78% state 49% · 2025-26

Results by year (all grades)

School year	Math	English	Science
2025-26	63% state 35%	90% state 64%	78% state 49%
2024-25	59% state 34%	90% state 65%	87% state 51%
2023-24	59% state 33%	91% state 66%	84% state 50%
2022-23	54% state 33%	87% state 66%	79% state 51%
2021-22	59% state 35%	89% state 69%	82% state 54%
2018-19	70% state 43%	90% state 73%	73% state 50%
2017-18	67% state 43%	89% state 73%	71% state 46%

4-year graduation rate

96%

state 83% · 2024-25

Graduation rate: students who earned a regular diploma within four years.

Race and ethnicity, 2024-25

Year-by-year history is loaded from the NCES Common Core of Data (2017-18 onward).

Subject percentages show the share of students who met or exceeded the state standard.


Two Rivers School Grades 9–12 · Snoqualmie Valley School District	0.0 mi	25% −10 vs state	55% −10 vs state	69% +20 vs state	5% Average of math, English and science: 50% in 2022-23 → 55% in 2025-26	21%	56	White 84%
Snoqualmie Parent Partnership Program Grades K–12 Alternative · Snoqualmie Valley School District	0.4 mi	61% +21 vs state	84% +31 vs state	86% +37 vs state	11% Average of math, English and science: 66% in 2022-23 → 77% in 2025-26	19%	203	White 69%
Echo Glen School Grades 5–12 · Issaquah School District	4.0 mi	—	17% −48 vs state	14% −37 vs state · 2024-25	8% Average of math, English and science: 9% in 2021-22 → 17% in 2025-26	67%	104	Hispanic 33%