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Post Middle School — School Profile & District Info
Middle|Arlington, Washington|Arlington School District
Arlington, WA 98223
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Upcoming Events
Jul
13
Mon
Study Session and Board MeetingEvent
Aug
10
Mon
Regular Board MeetingEvent
Aug
17
Mon
All-Day Board WorkshopEvent
Aug
24
Mon
Regular Board MeetingEvent
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School Profile
Grades
6–8
Enrollment
634
Student:Teacher
21.9:1
Locale
Suburban
District
Arlington School DistrictEcon. Disadvantaged
45.0%
Phone
(360)618-6450School Statistics
Programs & Activities (SY 2021-22)
Gifted & Talented
Student-Teacher Ratio: 19.6:1
Worse than average in WADistrict Finance (FY 2023)
Per-Pupil Spending
$17,022
District-level data
Funding Sources
Federal 5%State 75%Local 20%
Community Context
Median Home Value
$740,211
-1.6% YoY
Seattle, WA metro area · Zillow Feb 2026
Community Need Level
Moderate
CDC/ATSDR Social Vulnerability Index 2022
Enrollment Trend (2014-2025)
645
Current enrollment
Stable(-3% 5yr)Coming Up
Mon, Jul 13, 2026
Study Session and Board Meeting
EventMon, Aug 10, 2026
Regular Board Meeting
EventMon, Aug 17, 2026
All-Day Board Workshop
EventFrequently Asked Questions about Post Middle School
Post Middle School currently enrolls 634 students across Middle grade levels. The school operates under the local school district in WA.
Calendar Guides
School profiles: Data from NCES Common Core of Data. Calendar events from district calendar sources, updated automatically.