Serving 634 students in grades 6-8, Post 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 34% (which is lower than the Washington state average of 41%). The percentage of students achieving proficiency in reading/language arts is 46% (which is lower than the Washington state average of 53%).
The student-teacher ratio of 22:1 is higher than the Washington state level of 16:1.
Minority enrollment is 26% of the student body (majority Hispanic), which is lower than the Washington state average of 52% (majority Hispanic).
Quick Facts (2025-26)
- Grades: 6-8
- Enrollment: 634 students
- Student-Teacher Ratio: 22:1
- Minority Enrollment: 26%
- Overall Testing Rank: Bottom 50% in WA
- Math Proficiency: 34% (Btm 50%)
- Reading Proficiency: 46% (Btm 50%)
- Science Proficiency: 30-34% (Btm 50%)
- Source: National Center for Education Statistics (NCES), WA Dept. of Education
School Overview
Post Middle School's student population of 634 students has stayed relatively flat over five school years.
The teacher population of 29 teachers has declined by 14% over five school years.
Grades Offered
Grades 6-8
(No virtual instruction)
(No virtual instruction)
Total Students
634 students
Gender %
Total Classroom Teachers
29 teachers
School Calendar
School Rankings
Post 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 Post Middle School is 0.43, 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
#1327 out of 2088 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
34%
41%
Reading/Language Arts Test Scores (% Proficient)
46%
53%
Science Test Scores (% Proficient)
30-34%
49%
Student-Teacher Ratio
22:1
16:1
American Indian
2%
1%
Asian
1%
9%
Hispanic
14%
26%
Black
1%
5%
White
74%
48%
Hawaiian
n/a
2%
Two or more races
8%
9%
All Ethnic Groups
Eligible for Free Lunch
45%
49%
Eligible for Reduced Lunch
11%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), WA Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Post Middle School's ranking?
Post Middle School is ranked #1327 out of 2,088 schools, which ranks it among the bottom 50% of public schools in Washington.
What schools are Post Middle School often compared to?
Post Middle Schoolis often viewed alongside schools like Haller Middle School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
34% of students have achieved math proficiency (compared to the 41% WA state average), while 46% of students have achieved reading proficiency (compared to the 53% WA state average).
How many students attend Post Middle School?
634 students attend Post Middle School.
What is the racial composition of the student body?
74% of Post Middle School students are White, 14% of students are Hispanic, 8% of students are Two or more races, 2% of students are American Indian, 1% of students are Asian, and 1% of students are Black.
What is the student-teacher ratio of Post Middle School?
Post Middle School has a student ration of 22:1, which is higher than the Washington state average of 16:1.
What grades does Post Middle School offer ?
Post Middle School offers enrollment in grades 6-8 (No virtual instruction).
What school district is Post Middle School part of?
Post Middle School is part of Arlington School District.
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