Oso’s public schools
Arlington School District has no state test or graduation results we can use, so there is no Schools grade for Oso. Each school below is shown with its own results.
Tests spring 2022, when 94% of students in Washington’s tested grades sat them, and the class of 2023’s graduation rate (U.S. Department of Education). How TownRatings grades schools
Oso’s schools, in brief
Which school depends on your street
Four elementary schools serve Oso, so it’s worth checking the specific school. Then two middle schools and one high school: Arlington High School. See the path ↓
Written from the figures on this page. Tests are from 2021–22, graduation from the class of 2023; each school’s own letter uses 2020–21 results.
Where will my kid go?
Pick a grade. These are the public schools in Oso, with each school’s own grade.
Pre-K in Oso
Presidents Elementary
Grades PK–5 · 578 students · 15:1 students per teacher · in Arlington
6th grade in Oso · depends on your address
Post Middle School
Grades 6–8 · 645 students · 22:1 students per teacher · in Arlington
Haller Middle School
Grades 6–8 · 576 students · 23:1 students per teacher · in Arlington
7th grade in Oso · depends on your address
Post Middle School
Grades 6–8 · 645 students · 22:1 students per teacher · in Arlington
Haller Middle School
Grades 6–8 · 576 students · 23:1 students per teacher · in Arlington
8th grade in Oso · depends on your address
Post Middle School
Grades 6–8 · 645 students · 22:1 students per teacher · in Arlington
Haller Middle School
Grades 6–8 · 576 students · 23:1 students per teacher · in Arlington
9th grade in Oso
Arlington High School
Grades 9–12 · 1,650 students · 23:1 students per teacher · in Arlington
10th grade in Oso
Arlington High School
Grades 9–12 · 1,650 students · 23:1 students per teacher · in Arlington
Which school depends on your address. To confirm it, ask the Arlington School District.
The district
Spending and class size are shown but don’t count toward the grade. Each district’s own page has every school.
Close to the state in reading
Oso vs. its neighbors
Schools grades for the Washington towns that share Oso’s borders.
| Town | Schools | Main districts |
|---|---|---|
| Oso | — | Arlington |
Every school in Oso
7 schools. Each public school’s letter compares its own 2020–21 reading and math results with Washington’s other public schools (the newest school-level results we have).
Questions about Oso’s schools
Are Oso’s schools good?
There’s no Schools grade for Oso. Arlington School District has no state test or graduation results we can use, so there is no Schools grade for Oso. Each school below is shown with its own results.
What school district is Oso in?
Arlington School District.
Where do Oso kids go to high school?
Arlington High School.
Parents talk
What Oso families are saying about school.
Looking for colleges? Colleges near Oso → They have their own page.
School data: state test results (2021–22, with participation) and four-year graduation rates (class of 2023) reported to the U.S. Department of Education (EDFacts via ED Data Express); each school’s own letter uses its 2020–21 results (EDFacts via the Urban Institute); schools and enrollment from NCES (2024–25; private schools 2023–24); spending from the Census Bureau’s school finance survey (FY2024). Stars are from neighbors.