- Enrollment
- 1,515
- Students per teacher
- 21:1
- Resource Index
- 43/100
Middle school (grades 6-8) · Snohomish, WA
Hidden River Middle School
Federal NCES profile for Hidden River Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 530513002761
👥 S:T ratio 26
🌟 Gifted program 70
📋 Attendance 47
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Hidden River Middle School earns 48/100 on the Resource Investment Index, with class sizes near the Washington median.
- #1 of 3
- middle schools in Snohomish · Resource Index
- 48
- Resource Index · Typical
- 18.4:1
- students per teacher
- 27.8%
- free-lunch eligible
Hidden River Middle School has class sizes near the Washington median. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, Hidden River Middle School ranks #1 of 3 middle schools in Snohomish, WA.
School address
District: Monroe School District · Washington
NCES ID 530513002761 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-29 students YoY
Hidden River Middle School shrank from 327 students in 2022-23 to 298 in 2023-24 (-8.9%).
Teacher FTE added 17.3 → 17.6 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-29 students YoY 530513002761 · Snohomish, WA Middle · SMALL · TRAD
313 enr · 18.4:1 · 27.8% lunch · RII 48
Nearest enrollment peer: Monroe High School (1,515 students)
Hidden River Middle School shrank from 327 students in 2022-23 to 298 in 2023-24 (-8.9%). Teacher FTE added 17.3 → 17.6 across the same CCD years. Read with this school → · District book → · Washington schools → · Find another →
Hidden River Middle School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Monroe High Sc
Monroe High School
1,515 students
- Sky Valley Edu
Sky Valley Education Center
985 students
- Park Place Mid
Park Place Middle School
755 students
- Frank Wagner E 545
Frank Wagner Elementary
545 students
- Salem Woods El 516
Salem Woods Elementary School
516 students
- This school 313
Hidden River Middle School
313 students
What this shows Hidden River Middle School reports 313 students on the CCD universe file.
How Hidden River Middle School compares
Hidden River Middle School is a shrinking campus on CCD: ratios and free-lunch share vs Washington and U.S. means.
| Metric | This school | vs Washington | Washington avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.4:1 | ▲ 5% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 27.8% | ▼ 38% | 45.0% | 51.7% |
| Enrollment | 313 | top 62% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.4:1
Leaner classes than 22% of US schools, heavier class loads than most.
313
Bigger than 34% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
27.8%
free-lunch eligible
- 38% below the Washington average of 45.0%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
18.4:1
students per teacher
- 5% above state mean
Top 68% in Washington - lower ratio than 32% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
21.1%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$17,142
per pupil, district-wide
- below Washington avg of $20,912
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
6
in-school suspensions + 3 out-of-school
Suspension rate: 1.9 per 100 students. Combined in-school and out-of-school rate: 2.9 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 68.1%
Hispanic or Latino 22.3%
Two or More 7.1%
Asian 1.6%
American Indian / Alaska Native 1.0%
Largest group: White at 68.1% of enrollment.
Student-body diversity index 48.1/100
Simpson diversity index - at 48.1, Hidden River Middle School is less mixed than the Washington school average of 53.3.
Programs
Gifted & talented Yes
District finance for Monroe School District reports $17,142 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Hidden River Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Monroe High School | Larger | Similar economic need | Higher S:T ratio |
| Sky Valley Education Center | Larger | Lower economic need | Higher S:T ratio |
| Park Place Middle School | Larger | Similar economic need | Higher S:T ratio |
| Frank Wagner Elementary | Larger | Higher economic need | Lower S:T ratio |
| Salem Woods Elementary School | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Hidden River Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 985
- Students per teacher
- 34:1
- Resource Index
- 15/100
- Enrollment
- 755
- Students per teacher
- 20.4:1
- Resource Index
- 45/100
- Enrollment
- 545
- Students per teacher
- 14:1
- Resource Index
- 50/100
- Enrollment
- 516
- Students per teacher
- 17.8:1
- Resource Index
- 54/100
Similar middle schools in Snohomish
2 comparable middle schools (grades 6-8) serving the same city.
Nationwide middle schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~313 students)
Frequently asked questions about Hidden River Middle School
How many students attend Hidden River Middle School?
Hidden River Middle School has 313 students enrolled. It is a middle school in Snohomish, WA. CCD year-over-year: 327 (2022-23) → 298 (2023-24), down 29.
What is the student-teacher ratio at Hidden River Middle School?
The student-teacher ratio at Hidden River Middle School is 18.4:1, which is 5% higher than the Washington average of 17.6:1 and 17% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Hidden River Middle School?
27.8% of students at Hidden River Middle School are eligible for free lunch, compared to the Washington average of 45.0%.
What is the racial and ethnic makeup of Hidden River Middle School?
The largest demographic group at Hidden River Middle School is White at 68.1% of enrollment, in Snohomish, WA.
What is the Resource Investment Index for Hidden River Middle School?
Hidden River Middle School has a Resource Investment Index of 48/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Hidden River Middle School rank among middle schools in Snohomish?
By Resource Investment Index, Hidden River Middle School ranks #1 of 3 middle schools in Snohomish, WA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Snohomish on the city page.
What other schools are in Monroe School District?
Besides Hidden River Middle School, Monroe School District also operates Monroe High School (1,515 students), Sky Valley Education Center (985 students), and Park Place Middle School (755 students). See the Monroe School District district page for the complete list.