Castle Rock High School is a rural public high school in Castle Rock, Washington.
Serving 422 students in grades 9-12, Castle Rock High 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 10-14% (which is lower than the Washington state average of 41%). The percentage of students achieving proficiency in reading/language arts is 55-59% (which is higher 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 17% of the student body (majority Hispanic), which is lower than the Washington state average of 53% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 422 students
- Student-Teacher Ratio: 18:1
- Minority Enrollment: 17%
- Graduation Rate: 75-79% (Btm 50% in WA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 10-14% (Btm 50%)
- Reading Proficiency: 55-59% (Top 50%)
- Science Proficiency: 35-39% (Btm 50%)
- Source: National Center for Education Statistics (NCES), WA Dept. of Education
School Overview
Castle Rock High School's student population of 422 students has stayed relatively flat over five school years.
The teacher population of 24 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
422 students
Total Classroom Teachers
24 teachers
School Calendar
School Motto
In the Castle Rock School District, every student will graduate with the skills necessary to excel in life and thrive in their community.
School Rankings
Castle Rock High 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 High School is 0.30, 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
#1449 out of 2088 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
10-14%
41%
Reading/Language Arts Test Scores (% Proficient)
55-59%
53%
Science Test Scores (% Proficient)
35-39%
49%
Student-Teacher Ratio
18:1
17:1
American Indian
1%
1%
Asian
1%
9%
Hispanic
7%
27%
Black
n/a
5%
White
83%
47%
Hawaiian
1%
2%
Two or more races
7%
9%
All Ethnic Groups
Graduation Rate
75-79%
84%
Eligible for Free Lunch
39%
39%
Eligible for Reduced Lunch
9%
9%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), WA Dept. of Education
School Notes
- School Mascot: Rockets
Frequently Asked Questions
What is Castle Rock High School's ranking?
Castle Rock High School is ranked #1449 out of 2,088 schools, which ranks it among the bottom 50% of public schools in Washington.
What schools are Castle Rock High School often compared to?
Castle Rock High Schoolis often viewed alongside schools like Toutle Lake High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
10-14% of students have achieved math proficiency (compared to the 41% WA state average), while 55-59% of students have achieved reading proficiency (compared to the 53% WA state average).
What is the graduation rate of Castle Rock High School?
The graduation rate of Castle Rock High School is 75-79%, which is lower than the Washington state average of 84%.
How many students attend Castle Rock High School?
422 students attend Castle Rock High School.
What is the racial composition of the student body?
83% of Castle Rock High School students are White, 7% of students are Hispanic, 7% of students are Two or more races, 1% of students are American Indian, 1% of students are Asian, and 1% of students are Hawaiian.
What is the student-teacher ratio of Castle Rock High School?
Castle Rock High School has a student ration of 18:1, which is higher than the Washington state average of 17:1.
What grades does Castle Rock High School offer ?
Castle Rock High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Castle Rock High School part of?
Castle Rock High School is part of Castle Rock School District.
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