Serving 824 students in grades 6-8, Mountainside Middle School ranks in the top 50% of all schools in Washington for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 46% (which is higher than the Washington state average of 41%). The percentage of students achieving proficiency in reading/language arts is 60% (which is higher than the Washington state average of 53%).
The student-teacher ratio of 19:1 is higher than the Washington state level of 17:1.
Minority enrollment is 20% of the student body (majority Hispanic), which is lower than the Washington state average of 53% (majority Hispanic).
Quick Facts (2026)
- Grades: 6-8
- Enrollment: 824 students
- Student-Teacher Ratio: 19:1
- Minority Enrollment: 20%
- Overall Testing Rank: Top 50% in WA
- Math Proficiency: 46% (Top 50%)
- Reading Proficiency: 60% (Top 50%)
- Science Proficiency: 44% (Btm 50%)
- Attendance Zone: Mountainside Middle School serves the eastern part of Colbert, WA, covering an approximate area of 115 square miles. Most families can expect a typical drive of 10-15 minutes to the school, with the furthest edges of the attendance zone located up to 14.3 miles away.
- Source: National Center for Education Statistics (NCES), WA Dept. of Education
School Overview
Mountainside Middle School's student population of 824 students has stayed relatively flat over five school years.
The teacher population of 44 teachers has grown by 7% over five school years.
Grades Offered
Grades 6-8
(No virtual instruction)
(No virtual instruction)
Total Students
824 students
Total Classroom Teachers
44 teachers
School Rankings
Mountainside Middle School ranks within the top 50% of all 2,088 schools in Washington (based off of combined math and reading proficiency testing data).
The diversity score of Mountainside Middle School is 0.35, 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
#701 out of 2088 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
46%
41%
Reading/Language Arts Test Scores (% Proficient)
60%
53%
Science Test Scores (% Proficient)
44%
49%
Student-Teacher Ratio
19:1
17:1
American Indian
1%
1%
Asian
2%
9%
Hispanic
6%
27%
Black
1%
5%
White
80%
47%
Hawaiian
2%
2%
Two or more races
8%
9%
All Ethnic Groups
Chronically Absent Students
(22-23)29.4%
34.7%
Eligible for Free Lunch
35%
39%
Eligible for Reduced Lunch
10%
9%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), WA Dept. of Education
Frequently Asked Questions
What is Mountainside Middle School's ranking?
Mountainside Middle School is ranked #701 out of 2,088 schools, which ranks it among the top 50% of public schools in Washington.
What percent of students have achieved state testing proficiency in math and reading?
46% of students have achieved math proficiency (compared to the 41% WA state average), while 60% of students have achieved reading proficiency (compared to the 53% WA state average).
How many students attend Mountainside Middle School?
824 students attend Mountainside Middle School.
What is the racial composition of the student body?
80% of Mountainside Middle School students are White, 8% of students are Two or more races, 6% of students are Hispanic, 2% of students are Asian, 2% of students are Hawaiian, 1% of students are American Indian, and 1% of students are Black.
What is the student-teacher ratio of Mountainside Middle School?
Mountainside Middle School has a student ration of 19:1, which is higher than the Washington state average of 17:1.
What grades does Mountainside Middle School offer ?
Mountainside Middle School offers enrollment in grades 6-8 (No virtual instruction).
What school district is Mountainside Middle School part of?
Mountainside Middle School is part of Mead School District.
School Reviews
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