Photo: Cosmo1976 · Public domainCrystal Lake’s public schools outscore 71% of Illinois districts
On the state math tests, 35% of Crystal Lake’s students scored proficient, above the Illinois average (26%). The grade covers the two public school districts serving Crystal Lake, from kindergarten through graduation, on state tests and graduation. 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.
Crystal Lake’s schools, in brief
Above the state on both counts
Reading proficiency is 33% and math 35% across both districts in spring 2021, against 30% and 26% statewide; 95% of the class of 2023 graduated in four years, against 88%. Test scores ↓
Spending and class size
Community High School District 155 spends $25,105 per student and Crystal Lake Community Consolidated School District 47 $17,506, against $21,567 across Illinois (FY2024). Neither counts toward the grade. Districts ↓
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 Crystal Lake’s grade
B+: better than 71% of Illinois school districts, #252 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 Crystal Lake, with each school’s own grade.
Pre-K in Crystal Lake · depends on your address
Indian Prairie Elem School
Grades PK–5 · 496 students · 13:1 students per teacher
Glacier Ridge Elementary School
Grades PK–5 · 360 students · 10:1 students per teacher
6th grade in Crystal Lake · depends on your address
Hannah Beardsley Middle School
Grades 6–8 · 829 students · 14:1 students per teacher
Lundahl Middle School
Grades 6–8 · 797 students · 13:1 students per teacher
Richard F Bernotas Middle Sch
Grades 6–8 · 737 students · 11:1 students per teacher
7th grade in Crystal Lake · depends on your address
Hannah Beardsley Middle School
Grades 6–8 · 829 students · 14:1 students per teacher
Lundahl Middle School
Grades 6–8 · 797 students · 13:1 students per teacher
Richard F Bernotas Middle Sch
Grades 6–8 · 737 students · 11:1 students per teacher
8th grade in Crystal Lake · depends on your address
Hannah Beardsley Middle School
Grades 6–8 · 829 students · 14:1 students per teacher
Lundahl Middle School
Grades 6–8 · 797 students · 13:1 students per teacher
Richard F Bernotas Middle Sch
Grades 6–8 · 737 students · 11:1 students per teacher
Crystal Lake runs its own schools through grade 8 (Crystal Lake Community Consolidated School District 47). From grade 9, students attend the Community High School District 155, shared with Algonquin, Bull Valley, Cary, Cuba, Dorr, Fox River Grove, Grafton, Lake in the Hills, Lakewood, Nunda, Oakwood Hills, Prairie Grove and Trout Valley. Its elementary school is in Crystal Lake. Parts of Crystal Lake (6% and 4% of its land) are served by Woodstock Community Unit School District 200 and Prairie Grove Community School District 46 instead. To confirm the school for a specific address, ask the district.
Two districts serve Crystal Lake
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
Crystal Lake vs. its neighbors
Schools grades for the Illinois towns that share Crystal Lake’s borders.
| Town | Schools | Main districts |
|---|---|---|
| Crystal Lake | B+ | Crystal Lake Community Consolidated School District 47 PK–8 · Community High School District 155 9–12 |
| Lake in the Hills | B+ | Community Unit School District 300 PK–12 · Huntley Consolidated School District 158 PK–12 · Crystal Lake Community Consolidated School District 47 PK–8 |
| Prairie Grove | B+ | Prairie Grove Community School District 46 PK–8 · Crystal Lake Community Consolidated School District 47 PK–8 · Community High School District 155 9–12 |
| Lakewood | B+ | Crystal Lake Community Consolidated School District 47 PK–8 · Community High School District 155 9–12 |
| Cary | A− | Cary Community Consolidated School District 26 PK–8 · Community High School District 155 9–12 |
| Dorr | A− | Woodstock Community Unit School District 200 PK–12 · Community High School District 155 9–12 |
| Grafton | A− | Huntley Consolidated School District 158 PK–12 · Crystal Lake Community Consolidated School District 47 PK–8 · Community High School District 155 9–12 |
All 6 neighbors share Community High School District 155 with Crystal Lake for grades 9–12, so their letters differ mainly through the lower grades.
Every school in Crystal Lake
16 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 Crystal Lake’s schools
Are Crystal Lake’s schools good?
By Illinois’s own tests, yes: the public schools Crystal Lake children attend outscore 71% of Illinois’s school districts on tests and graduation, a B+ Schools grade, #252 of 768 Illinois towns. Among towns with similar incomes they beat 67%. Tests are from 2020–21, graduation from the class of 2023.
What school district is Crystal Lake in?
Two districts: Crystal Lake Community Consolidated School District 47 runs grades PK–8, and Community High School District 155 runs grades 9–12, shared with Algonquin, Bull Valley, Cary, Cuba, Dorr, Fox River Grove, Grafton, Lake in the Hills, Lakewood, Nunda, Oakwood Hills, Prairie Grove and Trout Valley.
Where do Crystal Lake kids go to high school?
One of 4 high schools, depending on your address: Crystal Lake Central High School, Cary-Grove Community High School, Crystal Lake South High School and Prairie Ridge High School.
What is Crystal Lake’s graduation rate?
95% of the class of 2023 in Community High School District 155 graduated in four years, against 88% across Illinois.
How much does Crystal Lake spend per student?
$25,105 in Community High School District 155 and $17,506 in Crystal Lake Community Consolidated School District 47 (FY2024), against $21,567 across Illinois. Spending doesn’t count toward the grade.
Parents talk
What Crystal Lake families are saying about school.
Looking for colleges? Colleges near Crystal Lake → 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.