Serving 316 students in grades 6-8, Castle Rock Middle School ranks in the bottom 50% of all schools in Washington for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 16% (which is lower than the Washington state average of 41%). The percentage of students achieving proficiency in reading/language arts is 37% (which is lower than the Washington state average of 53%).
The student-teacher ratio of 18:1 is higher than the Washington state level of 17:1.
Minority enrollment is 15% of the student body (majority Hispanic), which is lower than the Washington state average of 53% (majority Hispanic).
Quick Facts (2026-27)
- Grades: 6-8
- Enrollment: 316 students
- Student-Teacher Ratio: 18:1
- Minority Enrollment: 15%
- Overall Testing Rank: Bottom 50% in WA
- Math Proficiency: 16% (Btm 50%)
- Reading Proficiency: 37% (Btm 50%)
- Science Proficiency: 40-44% (Btm 50%)
- Attendance Zone: Castle Rock Middle School's attendance zone covers the entire school district in Castle Rock, WA, encompassing approximately 164.2 square miles. Families typically experience a drive of 15-20 minutes to reach the school, with the furthest edge of the zone located about 16.8 miles away.
- Source: National Center for Education Statistics (NCES), WA Dept. of Education
School Overview
Castle Rock Middle School's student population of 316 students has stayed relatively flat over five school years.
The teacher population of 18 teachers has grown by 12% over five school years.
Grades Offered
Grades 6-8
(No virtual instruction)
(No virtual instruction)
Total Students
316 students
Total Classroom Teachers
18 teachers
School Calendar
School Rankings
Castle Rock Middle School ranks within the bottom 50% of all 2,088 schools in Washington (based off of combined math and reading proficiency testing data).
The diversity score of Castle Rock Middle School is 0.27, which is less than the diversity score at state average of 0.69. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1856 out of 2088 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
16%
41%
Reading/Language Arts Test Scores (% Proficient)
37%
53%
Science Test Scores (% Proficient)
40-44%
49%
Student-Teacher Ratio
18:1
17:1
American Indian
1%
1%
Asian
1%
9%
Hispanic
7%
27%
White
85%
47%
Two or more races
6%
9%
All Ethnic Groups
Chronically Absent Students
(22-23)41.5%
34.7%
Eligible for Free Lunch
45%
39%
Eligible for Reduced Lunch
11%
9%
School Statewide Testing
School District Name
Sports
School Mascot
Rockets
Source: National Center for Education Statistics (NCES), WA Dept. of Education
Frequently Asked Questions
What is Castle Rock Middle School's ranking?
Castle Rock Middle School is ranked #1856 out of 2,088 schools, which ranks it among the bottom 50% of public schools in Washington.
What percent of students have achieved state testing proficiency in math and reading?
16% of students have achieved math proficiency (compared to the 41% WA state average), while 37% of students have achieved reading proficiency (compared to the 53% WA state average).
How many students attend Castle Rock Middle School?
316 students attend Castle Rock Middle School.
What is the racial composition of the student body?
85% of Castle Rock Middle School students are White, 7% of students are Hispanic, 6% of students are Two or more races, 1% of students are American Indian, and 1% of students are Asian.
What is the student-teacher ratio of Castle Rock Middle School?
Castle Rock Middle School has a student ration of 18:1, which is higher than the Washington state average of 17:1.
What grades does Castle Rock Middle School offer ?
Castle Rock Middle School offers enrollment in grades 6-8 (No virtual instruction).
What school district is Castle Rock Middle School part of?
Castle Rock Middle School is part of Castle Rock School District.
School Reviews
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