- Enrollment
- 1,443
- Students per teacher
- 16.6:1
- Resource Index
- 34/100
High school (grades 9-12) · Crystal Lake, IL
Prairie Ridge High School
Federal NCES profile for Prairie Ridge High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 171137002154
👥 S:T ratio 36
🌟 Gifted program 30
🎓 Counselors 43
📋 Attendance 59
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Prairie Ridge High School earns 42/100 on the Resource Investment Index, with class sizes larger than 79% of Illinois schools.
- #1 of 3
- high schools in Crystal Lake · Resource Index
- 42
- Resource Index · Typical
- 16:1
- large classes for Illinois
- 1,133
- students enrolled
Prairie Ridge High School has class sizes larger than 79% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Prairie Ridge High School ranks #1 of 3 high schools in Crystal Lake, IL.
School address
NCES ID 171137002154 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-2 students YoY
Prairie Ridge High School held near 1,138 students from 2022-23 to 2023-24 (-2 headcount).
Teacher FTE added 71.0 → 72.8 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-2 students YoY 171137002154 · Crystal Lake, IL High · MID · TRAD
1,133 enr · 16:1 · RII 42
Nearest enrollment peer: Crystal Lake Central High School (1,443 students)
Prairie Ridge High School held near 1,138 students from 2022-23 to 2023-24 (-2 headcount). Teacher FTE added 71.0 → 72.8 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
Prairie Ridge High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Crystal Lake C
Crystal Lake Central High School
1,443 students
- Cary-Grove Com
Cary-Grove Community High School
1,348 students
- Crystal Lake S
Crystal Lake South High School
1,279 students
- This school
Prairie Ridge High School
1,133 students
What this shows Prairie Ridge High School reports 1,133 students on the CCD universe file.
How Prairie Ridge High School compares
Prairie Ridge High School held steady on CCD headcount: ratios and free-lunch share vs Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16:1 | ▲ 14% | 14:1 | 15.7:1 |
| Enrollment | 1,133 | top 6% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16:1
Leaner classes than 38% of US schools, a middle-of-the-pack class size.
1,133
Bigger than 93% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Staffing depth
16:1
students per teacher
- 14% above state mean
Top 79% in Illinois - lower ratio than 21% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
16.4%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$23,700
per pupil, district-wide
- above Illinois avg of $18,196
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors4.0 FTE
Per 283 students, the combined health-and-guidance staffing load for this school.
Discipline context
46
in-school suspensions + 18 out-of-school
Suspension rate: 4.1 per 100 students. Combined in-school and out-of-school rate: 5.6 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 79.5%
Hispanic or Latino 13.3%
Asian 3.1%
Two or More 2.7%
African American 1.2%
American Indian / Alaska Native 0.1%
Largest group: White at 79.5% of enrollment.
Student-body diversity index 34.8/100
Simpson diversity index - at 34.8, Prairie Ridge High School is less mixed than the Illinois school average of 38.9.
Programs
AP courses offered 17
District finance for Chsd 155 reports $23,700 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Prairie Ridge High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Crystal Lake Central High School | Larger | No free-lunch data | Similar S:T ratio |
| Cary-Grove Community High School | Similar size | No free-lunch data | Similar S:T ratio |
| Crystal Lake South High School | Similar size | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Prairie Ridge High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,348
- Students per teacher
- 16.2:1
- Resource Index
- 41/100
- Enrollment
- 1,279
- Students per teacher
- 17.5:1
- Resource Index
- 39/100
Similar high schools in Crystal Lake
2 comparable high schools (grades 9-12) serving the same city.
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~1,133 students)
Similar student-teacher ratio (~16:1)
Frequently asked questions about Prairie Ridge High School
How many students attend Prairie Ridge High School?
Prairie Ridge High School has 1,133 students enrolled. It is a high school in Crystal Lake, IL. CCD year-over-year: 1,140 (2022-23) → 1,138 (2023-24), nearly flat (-2).
What is the student-teacher ratio at Prairie Ridge High School?
The student-teacher ratio at Prairie Ridge High School is 16:1, which is 14% higher than the Illinois average of 14:1 and 2% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Prairie Ridge High School?
The largest demographic group at Prairie Ridge High School is White at 79.5% of enrollment, in Crystal Lake, IL.
What is the Resource Investment Index for Prairie Ridge High School?
Prairie Ridge High School has a Resource Investment Index of 42/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Prairie Ridge High School rank among high schools in Crystal Lake?
By Resource Investment Index, Prairie Ridge High School ranks #1 of 3 high schools in Crystal Lake, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Crystal Lake on the city page.
What other schools are in Chsd 155?
Besides Prairie Ridge High School, Chsd 155 also operates Crystal Lake Central High School (1,443 students), Cary-Grove Community High School (1,348 students), and Crystal Lake South High School (1,279 students). See the Chsd 155 district page for the complete list.