Post Middle School
1220 E. 5th St, Arlington, WA 98223 Map
Math (met standard)
32%
−8
state 40% · 2025-26
English (met standard)
50%
±0
state 51% · 2025-26
Science (met standard)
45%
−4
state 49% · 2025-26
Low income
46%
free or reduced-price lunch
Students
645
2024-25
Students per teacher
22.2
2024-25
Test score trends
Share of students who met or exceeded the state standard each year.
Latest results by grade
| Grade | Math | English | Science |
|---|---|---|---|
| Grade 6 | 34% state 40% · 2025-26 | 45% state 48% · 2025-26 | — |
| Grade 7 | 39% state 41% · 2025-26 | 53% state 53% · 2025-26 | — |
| Grade 8 | 23% state 39% · 2025-26 | 54% state 51% · 2025-26 | 45% state 49% · 2025-26 |
| All grades | 32% state 40% · 2025-26 | 50% state 51% · 2025-26 | 45% state 49% · 2025-26 |
Results by year (all grades)
| School year | Math | English | Science |
|---|---|---|---|
| 2025-26 | 32% state 40% | 50% state 51% | 45% state 49% |
| 2024-25 | 29% state 40% | 46% state 51% | 34% state 44% |
| 2023-24 | 30% state 38% | 49% state 50% | 44% state 43% |
| 2022-23 | 34% state 37% | 48% state 51% | 49% state 44% |
| 2021-22 | 32% state 36% | 46% state 51% | 32% state 43% |
| 2018-19 | 44% state 48% | 65% state 60% | 66% state 53% |
| 2017-18 | 41% state 49% | 55% state 60% | 49% state 55% |
| 2016-17 | 42% state 50% | 57% state 59% | — |
| 2015-16 | 47% state 50% | 64% state 59% | — |
| 2014-15 | 45% state 48% | 68% state 57% | — |
Students
Race and ethnicity, 2024-25
- Asian 2%
- White 72%
- Hispanic 16%
- Black 1%
- Two or more 7%
- Other 2%
Year-by-year history is loaded from the NCES Common Core of Data (2017-18 onward).
Nearby schools
2025-26 results
Subject percentages show the share of students who met or exceeded the state standard.
| Pick to compare | |||||
|---|---|---|---|---|---|
|
Stillaguamish Valley Learning Center
Grades K–8
Alternative
· Arlington School District
|
0.2 mi |
33%
−11
vs state
|
46%
−5
vs state
|
26% | |
|
Haller Middle School
Grades 6–8
· Arlington School District
|
0.6 mi |
28%
−12
vs state
|
48%
−3
vs state
|
37% |
No schools match this filter.