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What do you wish you knew before starting at Prairie Ridge High School?
Community prompt from u/allk12. Replies below.
Enrollment
1,133
High
DISTRICT 1,301 · STATE 834
SCHOOL COMMUNITY·CHSD 155·NCES 171137002154
Prairie Ridge High School
6000 Dvorak Dr, Crystal Lake, IL 60012 · (815) 479-0404 · McHenry County
GRADES 09–12HIGH21-SUBURBREGULAR SCHOOL1,133 STUDENTS
A
allk12 Grade
Scored higher than 90% of Illinois public high schools
- ATest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- ABeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Illinois public high schools
Student : Teacher
16.4:1
69 FTE teachers
DISTRICT 16.9:1 · STATE 13.8:1
Free / Reduced Lunch
22%
254 students
DISTRICT 29% · STATE 56%
Community
5
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 279 | 25% |
| Grade 10 | 283 | 25% |
| Grade 11 | 269 | 24% |
| Grade 12 | 302 | 27% |
Student demographics
35%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 46% · STATE 69% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
60.6%
composite math + reading, all grades
Predicted
58.6%
based on IL schools with similar FRL share
Beats by
+2.1pp
above demographic expectation
What this means: About 61% of students here test proficient in math and reading, compared with the roughly 59% typical for Illinois schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Illinois's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Prairie Ridge High School
Prairie Ridge High School's state test result (60.6% proficient) is higher than 3 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Prairie Ridge High School this school | 1,133 | 22.4% | 60.6% |
| Mahomet-Seymour High School Mahomet | 1,050 | 23.0% | 64.7% |
| Sycamore High School Sycamore | 1,161 | 24.8% | 46.8% |
| Cary-Grove Community High School Cary | 1,348 | 25.6% | 58.8% |
| Lemont Twp High School Lemont | 1,284 | 17.0% | 65.0% |
| Mascoutah High School Mascoutah | 1,243 | 21.8% | 58.9% |
Matched among Illinois high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Prairie Ridge High School ranks
Among high schools| Measure | This school | In Illinois | In McHenry County |
|---|---|---|---|
| State test proficiency ranked highest first | 60.6% | #30 of 573 | #1 of 13 |
| Enrollment ranked largest first | 1,133 | #200 of 708 | #7 of 14 |
| Students per teacher ranked fewest first | 16.4:1 | #428 of 528 | #10 of 13 |
| Diversity index ranked most diverse first | 34.8% | #277 of 537 | #11 of 13 |
| Free and reduced lunch ranked highest share first | 22.4% | #541 of 578 | #12 of 13 |
| Enrollment change since 2017-18 ranked steepest decline first | -21.1% | #52 of 358 | #2 of 10 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
1,133
-68 (-6%) vs 2020
-15% since 2000-01, when it was 1,331
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 1,133 | 69.2 | 16.4:1 | 22% (254) |
| 2023-24 | 1,138 | 72.8 | 15.6:1 | 20% (223) |
| 2022-23 | 1,140 | 71 | 16.1:1 | 17% (191) |
| 2020-21 | 1,201 | N/A | N/A | N/A |
| 2017-18 | 1,436 | 89.6 | 16.0:1 | 13% (193) |
| 2015-16 | 1,480 | 91 | 16.3:1 | 10% (153) |
| 2010-11 | 1,690 | 96 | 17.6:1 | 6% (107) |
| 2000-01 | 1,331 | 73 | 18.2:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Prairie Ridge High School.
Since 2017-18: students down 21% (1,436 to 1,133); teachers down 23% (89.6 to 69.2).
About Prairie Ridge High School
Prairie Ridge High School is one of the public schools in Crystal Lake, Illinois. It is a mid-sized high school. The school counted 1,133 students in 2024-25, covering grades 9 through 12. It has 36% more students than the average for high schools in Illinois (about 834).
CHSD 155 is made up of 4 schools with 5,203 students in all.
More than half of enrollment at Prairie Ridge High School is White: 80%. Enrollment also includes 13% Hispanic, 3% Asian, and 3% multiracial. In McHenry County overall, the White share is about 80%. On the diversity index, which measures the chance that two random students are from different groups, Prairie Ridge High School scores 35%.
The student-to-teacher ratio is 16.4:1. The school has 69.2 full-time-equivalent teachers. Across high schools in Illinois, the average ratio is 13.8:1. Federal data show 22% of students (254) are eligible for free or reduced-price lunch. The average for public schools in McHenry County is 35%.
Prairie Ridge High School earns an A on the allk12 Grade, which blends test scores, results against poverty-based expectations, and the three-year trend. It scored higher than 90% of Illinois public high schools.
Prairie Ridge High School scores 60.6% on state tests, averaged across results. The predicted figure, based on its student poverty level, is 58.6%.
For the population of McHenry County, the median household earns about $104,802 a year, a bachelor's degree or higher is held by about 35% of adults, and the poverty rate is about 4%. Across McHenry County, 89 public schools serve about 50,123 students.
Prairie Ridge High School is about 2.0 miles from Richard F Bernotas Middle School, its nearest public school. Around the school, at least 8 other public schools are within five miles. Among its closest neighbors with test data, Prairie Ridge High School is 1st of 9 on proficiency.
Its location is classified as Suburb: Large by the National Center for Education Statistics.
Federal enrollment counts fell from 1,201 (2020-21) to 1,133 (2024-25).
This page is a place to ask questions and share updates about fundraisers, report cards, and school supplies at Prairie Ridge High School. Members of the school community can share what they know.
McHenry County at a glance
View full county profilePopulation
312,591
Census ACS
Median income
$104,802
Household, ACS
Bachelor's+
35%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
89
50,123 students
Quick facts
Related schools
Other schools in CHSD 155
- Crystal Lake Central High SchoolHigh · 1,443 students
- Cary-Grove Community High SchoolHigh · 1,348 students
- Crystal Lake South High SchoolHigh · 1,279 students
- Haber Oaks CampusHigh
Other schools in Crystal Lake
- Crystal Lake Central High SchoolHigh · 1,443 students
- Crystal Lake South High SchoolHigh · 1,279 students
- Hannah Beardsley Middle SchoolMiddle · 829 students
- Lundahl Middle SchoolMiddle · 797 students
- Richard F Bernotas Middle SchoolMiddle · 737 students
- North Elementary SchoolElementary · 638 students
Nearby schools
- Richard F Bernotas Middle School2.0 mi · 737
- North Elementary School2.2 mi · 638
- Hannah Beardsley Middle School2.2 mi · 829
- Husmann Elementary School2.3 mi · 518
- Crystal Lake Central High School2.3 mi · 1,443
- Prairie Grove Junior High School2.8 mi · 357
Frequently asked questions
About Prairie Ridge High SchoolWhat is the total enrollment at Prairie Ridge High School?
Prairie Ridge High School enrolls approximately 1,133 students in grades 09-12.
What grades does Prairie Ridge High School serve?
Prairie Ridge High School serves grades 09-12.
What is the student-teacher ratio at Prairie Ridge High School?
The student-to-teacher ratio at Prairie Ridge High School is approximately 16.4:1 (69 FTE teachers).
What is the racial breakdown of students at Prairie Ridge High School?
At Prairie Ridge High School, the student body is approximately 80% White, 13% Hispanic, 1% Black, 3% Asian, 3% Two or more.
Who oversees Prairie Ridge High School?
Prairie Ridge High School is overseen by CHSD 155 in McHenry County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.