- Enrollment
- 733
- Students per teacher
- 18.8:1
- Resource Index
- 30/100
Middle school (grades 6-8) · Castle Rock, WA
Castle Rock Middle School
Federal NCES profile for Castle Rock Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 34/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 530099000173
👥 S:T ratio 37
🌟 Gifted program 30
🎓 Counselors 36
📋 Attendance 33
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Castle Rock Middle School earns 34/100 on the Resource Investment Index, with class sizes near the Washington median. It is also less racially and ethnically mixed than most Washington schools.
- #2 of 3
- public schools in Castle Rock · Resource Index
- 34
- Resource Index · Typical
- 15.8:1
- students per teacher
- 49.4%
- free-lunch eligible
Castle Rock Middle School has class sizes near the Washington median. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, Castle Rock Middle School ranks #2 of 3 public schools in Castle Rock, WA.
School address
District: Castle Rock School District · Washington
NCES ID 530099000173 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-17 students YoY
Castle Rock Middle School held near 331 students from 2022-23 to 2023-24 (-17 headcount).
Teacher FTE lost 20.5 → 19.8 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-17 students YoY 530099000173 · Castle Rock, WA Middle · SMALL · TRAD
316 enr · 15.8:1 · 49.4% lunch · RII 34
Nearest enrollment peer: Castle Rock Elementary (733 students)
Castle Rock Middle School held near 331 students from 2022-23 to 2023-24 (-17 headcount). Teacher FTE lost 20.5 → 19.8 across the same CCD years. Read with this school → · District book → · Washington schools → · Find another →
Castle Rock Middle School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Castle Rock El
Castle Rock Elementary
733 students
- Castle Rock Hi
Castle Rock High School
422 students
- This school
Castle Rock Middle School
316 students
- Castle Rock Vi 13
Castle Rock Virtual Academy
13 students
What this shows Castle Rock Middle School reports 316 students on the CCD universe file.
How Castle Rock Middle School compares
Castle Rock Middle School held steady on CCD headcount: ratios and free-lunch share vs Washington and U.S. means.
| Metric | This school | vs Washington | Washington avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.8:1 | ▼ 10% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 49.4% | ▲ 10% | 45.0% | 51.7% |
| Enrollment | 316 | top 61% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.8:1
Leaner classes than 40% of US schools, a middle-of-the-pack class size.
316
Bigger than 35% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
49.4%
free-lunch eligible
- 10% above the Washington average of 45.0%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
15.8:1
students per teacher
- 10% below state mean
Top 44% in Washington - lower ratio than 56% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
26.9%
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
$15,662
per pupil, district-wide
- below Washington avg of $20,912
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
32
in-school suspensions + 9 out-of-school
Suspension rate: 10.1 per 100 students. Combined in-school and out-of-school rate: 13.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 85.1%
Hispanic or Latino 7.0%
Two or More 5.7%
Asian 0.9%
American Indian / Alaska Native 0.9%
African American 0.3%
Largest group: White at 85.1% of enrollment.
Student-body diversity index 26.7/100
Simpson diversity index - at 26.7, Castle Rock Middle School is less mixed than the Washington school average of 53.3.
Programs
District finance for Castle Rock School District reports $15,662 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Castle Rock Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Castle Rock Elementary | Larger | Similar economic need | Higher S:T ratio |
| Castle Rock High School | Larger | Similar economic need | Similar S:T ratio |
| Castle Rock Virtual Academy | Smaller | Lower economic need | No ratio data |
Comparisons are relative to Castle Rock Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 422
- Students per teacher
- 16.9:1
- Resource Index
- 40/100
- Enrollment
- 13
- Students per teacher
- -
- Resource Index
- 30/100
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 (~316 students)
Frequently asked questions about Castle Rock Middle School
How many students attend Castle Rock Middle School?
Castle Rock Middle School has 316 students enrolled. It is a middle school in Castle Rock, WA. CCD year-over-year: 348 (2022-23) → 331 (2023-24), nearly flat (-17).
What is the student-teacher ratio at Castle Rock Middle School?
The student-teacher ratio at Castle Rock Middle School is 15.8:1, which is 10% lower than the Washington average of 17.6:1 and 1% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Castle Rock Middle School?
49.4% of students at Castle Rock Middle School are eligible for free lunch, compared to the Washington average of 45.0%.
What is the racial and ethnic makeup of Castle Rock Middle School?
The largest demographic group at Castle Rock Middle School is White at 85.1% of enrollment, in Castle Rock, WA.
What is the Resource Investment Index for Castle Rock Middle School?
Castle Rock Middle School has a Resource Investment Index of 34/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Castle Rock Middle School rank among public schools in Castle Rock?
By Resource Investment Index, Castle Rock Middle School ranks #2 of 3 public schools in Castle Rock, WA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking.
What other schools are in Castle Rock School District?
Besides Castle Rock Middle School, Castle Rock School District also operates Castle Rock Elementary (733 students), Castle Rock High School (422 students), and Castle Rock Virtual Academy (13 students). See the Castle Rock School District district page for the complete list.