Serving 438 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 15-19% (which is lower than the Washington state average of 40%). 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 16:1 is equal to the Washington state level of 16:1.
Minority enrollment is 18% of the student body (majority Hispanic), which is lower than the Washington state average of 52% (majority Hispanic).
Quick Stats (2025)
Grades: 9-12
Enrollment: 438 students
Student:Teacher Ratio: 16:1
Minority Enrollment: 18%
Graduation Rate
: 80-84% (Top 50% in WA)
Overall Testing Rank
: Bottom 50%
Math Proficiency
: 15-19% (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
Castle Rock High School ranks within the bottom 50% of all 2,113 schools in Washington (based off of combined math and reading proficiency testing data).
The diversity score of Castle Rock High School is 0.32, 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.
Castle Rock High School is ranked #1382 out of 2,113 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?
15-19% of students have achieved math proficiency (compared to the 40% 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 80-84%, which is lower than the Washington state average of 84%.
How many students attend Castle Rock High School?
438 students attend Castle Rock High School.
What is the racial composition of the student body?
82% of Castle Rock High School students are White, 8% of students are Hispanic, 6% of students are Two or more races, 2% 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 16:1, which is equal to the Washington state average of 16:1.
What grades does Castle Rock High School offer ?
Castle Rock High School offers enrollment in grades 9-12
What school district is Castle Rock High School part of?
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Quick Stats (2025)
Grades: 9-12
Enrollment: 438 students
Student:Teacher Ratio: 16:1
Minority Enrollment: 18%
Graduation Rate
: 80-84% (Top 50%)
Overall Testing Rank
: Bottom 50%
Math Proficiency
: 15-19% (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
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