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Mount Si High School

Grades 09–12 · SNOQUALMIE, WA · NCES 530804001330

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8651 MEADOWBROOK WAY SE · SNOQUALMIE, WA 98065

At a glance

Reported students

2,152

NCES CCD 2024–25

Teachers (FTE)

101.35

NCES CCD 2024–25

Student–teacher ratio

21.2:1

Calculated; not a class-size measure

Grades served

09–12

NCES preliminary directory 2025–26

School benchmarks

Washington high enrollment

98th percentile

Compared with 624 same-level schools reporting enrollment.

District median enrollment

496

Mount Si High School: 2,152 reported students.

State peer staffing position

65th percentile

21.2:1 reported; state peer median 19.9:1. Ratio is not class size.

Historical enrollment and staffing · CRDC 2021–22

These older figures are kept separate from 2024–25 statistics and benchmarks. Differences between years can reflect changes in enrollment, staffing, or reporting scope.

Students
2,120
Teachers (FTE)
98.4
Student–teacher ratio
21.5:1

What the reported data says about Mount Si High School

Mount Si High School is a public high school serving grades 09–12 in SNOQUALMIE. It is one of 14 current school records connected to Snoqualmie Valley School District. NCES reports 2,152 students for 2024–25.

Among 624 high schools in Washington with comparable records, this school is larger than the reported median of 225 students. Its enrollment is at approximately the 98th percentile for that peer group. Size describes the campus, not instructional quality.

The reported student–teacher ratio is 21.2:1, close to the Washington median of 19.9:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.

The largest reported race and ethnicity groups are White (70.6%) and Hispanic or Latino (10.7%). English learners represent 2.3% of enrollment. Students served under IDEA represent 9.8%. These figures help families understand who the school serves; they are not rating inputs.

The 2021–22 civil-rights collection reports AP student enrollment, computer science. The school reported 27 AP courses. Program availability changes, so families should confirm the current catalog and participation rules directly with the school.

Questions worth asking Mount Si High School

  1. 1How do the reported 21.2:1 student–teacher ratio and 101.35 teacher FTE translate into actual class sizes by grade?
  2. 2Have the reported academic programs changed since the 2021–22 CRDC collection?
  3. 3What counseling support is available today? The school reported 6 counselor FTE in 2021–22.
  4. 4What meal assistance, transportation, after-school, and family-support services are currently available?
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Enrollment needs

English learners
2.3%
Students with disabilities
9.8%
Free/reduced-price lunch
13.2%
Lunch program
Yes participating without using any Provision or the CEO

Reported support staff

Counselors (FTE)
6
Nurses (FTE)
1
Psychologists (FTE)
1
Social workers (FTE)
0

CRDC 2021–22 full-time-equivalent counts; verify current assignments with the school.

Student demographics

Race and ethnicity share of reported enrollment

  • White70.6%
  • Hispanic10.7%
  • Black1.1%
  • Asian8.8%
  • American Indian / Alaska Native0.7%
  • Native Hawaiian / Pacific Islander0.3%
  • Multiracial7.2%

Race/ethnicity: NCES CCD 2024–25. English learner and disability context: CRDC 2021–22. Lunch eligibility: NCES CCD 2024–25. Privacy rules can produce missing values.

Programs reported by the school

AP student enrollment

Students enrolled

27 distinct courses reported

Gifted and talented

Not reported as offered

Computer science

Offered

CRDC 2021–22: the AP flag records student enrollment; gifted and computer-science fields describe reported programs/classes. Confirm current courses and eligibility with the school.

Other schools in Snoqualmie Valley School District

Start with campuses at the same school level or with similar reported enrollment.

Two Rivers School

High · Grades 09–12

56 reported students

Timber Ridge Elementary School

Elementary · Grades KG–05

607 reported students

Edwin R Opstad Elementary

Elementary · Grades KG–05

581 reported students

Twin Falls Middle School

Middle · Grades 06–08

556 reported students

Snoqualmie Elementary

Elementary · Grades KG–05

547 reported students

Chief Kanim Middle School

Middle · Grades 06–08

520 reported students

View all 14 district schools →