Boulder Hill’s public schools outscore 72% of Illinois districts
The grade covers the public school district serving Boulder Hill, from kindergarten through graduation, on state tests and graduation. In Boulder Hill, 29% of tested students are proficient in math, above the Illinois average (26%). Each state writes its own tests, so this is the one TownRatings grade compared within Illinois, not nationally.
From Illinois state tests taken in spring 2021, when nearly all of students in the tested grades sat them, and the class of 2023’s four-year graduation rate, as reported to the U.S. Department of Education.
Boulder Hill’s schools, in brief
Better than its incomes would predict
Among the 1449 Illinois towns with household incomes within a quarter of Boulder Hill’s, its schools beat 84%, higher than their 72% against all the state’s districts. The grade ↓
Above the state on both counts
Reading proficiency is 32% and math 29% in spring 2021, against 30% and 26% statewide; 94% of the class of 2023 graduated in four years, against 88%. Test scores ↓
Spending and class size
The district spends $18,315 per student, against $21,567 across Illinois (FY2024). Spending doesn’t count toward the grade. Districts ↓
13 elementary schools, then five middle and two high schools
Which school depends on the address at every step. See the path ↓
Written from the figures on this page. Tests are from 2020–21, graduation from the class of 2023; each school’s own letter uses 2020–21 results.
What’s behind Boulder Hill’s grade
B+: better than 72% of Illinois school districts, #245 of 768 Illinois towns. Test scores and graduation are both above the Illinois average; graduation is the stronger of the two.
Where will my kid go?
Pick a grade. These are the public schools that serve Boulder Hill, with each school’s own grade.
9th grade in Boulder Hill · depends on your address
Oswego High School
Grades 9–12 · 2,870 students · 16:1 students per teacher · in Oswego
Oswego East High School
Grades 9–12 · 2,758 students · 16:1 students per teacher · in Oswego
10th grade in Boulder Hill · depends on your address
Oswego High School
Grades 9–12 · 2,870 students · 16:1 students per teacher · in Oswego
Oswego East High School
Grades 9–12 · 2,758 students · 16:1 students per teacher · in Oswego
11th grade in Boulder Hill · depends on your address
Oswego High School
Grades 9–12 · 2,870 students · 16:1 students per teacher · in Oswego
Oswego East High School
Grades 9–12 · 2,758 students · 16:1 students per teacher · in Oswego
12th grade in Boulder Hill · depends on your address
Oswego High School
Grades 9–12 · 2,870 students · 16:1 students per teacher · in Oswego
Oswego East High School
Grades 9–12 · 2,758 students · 16:1 students per teacher · in Oswego
Boulder Hill’s public schools are run by Oswego Community Unit School District 308, which also serves Montgomery, Na-Au-Say, Oswego and Oswego. To confirm the school for a specific address, ask the district.
The district
Spending and class size are shown but don’t count toward the grade. Each district’s own page has every school.
Above the state in reading
Boulder Hill vs. its neighbors
Schools grades for the Illinois towns that share Boulder Hill’s borders.
| Town | Schools | Main districts |
|---|---|---|
| Boulder Hill | B+ | Oswego Community Unit School District 308 |
| Oswego | B+ | Oswego Community Unit School District 308 |
| Montgomery | B | Oswego Community Unit School District 308 PK–12 · Aurora West Unit School District 129 PK–12 |
All 2 neighbors share Oswego Community Unit School District 308 with Boulder Hill, so their letters differ mainly through other districts.
Every school in Boulder Hill
20 schools. Each public school’s letter compares its own 2020–21 reading and math results with Illinois’s other public schools (the newest school-level results we have).
Questions about Boulder Hill’s schools
Are Boulder Hill’s schools good?
By Illinois’s own tests, yes: the public schools Boulder Hill children attend outscore 72% of Illinois’s school districts on tests and graduation, a B+ Schools grade, #245 of 768 Illinois towns. Among towns with similar incomes they beat 84%. Tests are from 2020–21, graduation from the class of 2023.
What school district is Boulder Hill in?
Oswego Community Unit School District 308, which runs grades PK–12 and enrolls 16,766 students in 21 schools (2024–25).
Where do Boulder Hill kids go to high school?
One of 2 high schools, depending on your address: Oswego High School and Oswego East High School.
What is Boulder Hill’s graduation rate?
94% of the class of 2023 in Oswego Community Unit School District 308 graduated in four years, against 88% across Illinois.
How much does Boulder Hill spend per student?
$18,315 in Oswego Community Unit School District 308 (FY2024), against $21,567 across Illinois. Spending doesn’t count toward the grade.
Parents talk
What Boulder Hill families are saying about school.
Looking for colleges? Colleges near Boulder Hill → They have their own page.
School data: state test results (2020–21, 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). The School Grade is our own summary, graded within Illinois. Stars are from neighbors.