Enrollment
502
Illinois · 2024-25 NCES data
High school (grades 9-12) · Johnsburg, IL
Johnsburg High School
Federal NCES profile for Johnsburg High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 172049002315
👥 S:T ratio 48
📚 AP courses 60
🌟 Gifted program 30
🎓 Counselors 50
📋 Attendance 43
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Johnsburg High School earns 46/100 on the Resource Investment Index, with class sizes near the Illinois median.
- #3 of 3
- public schools in Johnsburg · Resource Index
- 46
- Resource Index · Typical
- 12.9:1
- students per teacher
- 502
- students enrolled
Johnsburg High School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Johnsburg High School ranks #3 of 3 public schools in Johnsburg, IL.
School address
District: Johnsburg Cusd 12 · Illinois
NCES ID 172049002315 Verify on NCES CCD record →
Teachers (FTE)
39.0
Federal CCD staff survey
Students per teacher
12.9:1
vs 14:1 Illinois avg
-8% vs state
Student-teacher ratio in context
How Johnsburg High School compares with Illinois and U.S. medians
What stands out at Johnsburg High School
Johnsburg High School is a mid-sized high school in Johnsburg, Illinois, enrolling 502 students.
At 12.9:1, its student-teacher ratio sits close to the Illinois median, within a few percentage points of the 14:1 state norm, neither notably crowded nor notably small.
Enrollment of 502 puts it in the larger third of Illinois schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 3,845 scored Illinois schools.
Its student body is predominantly White (84% of enrollment) (diversity index 29/100).
On the academic-pipeline side it reports 12 Advanced Placement courses.
Counselor coverage runs a bit thin, about 251 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Attendance runs somewhat below the norm, with 22.9% of students chronically absent per the 2021-22 civil-rights collection.
Johnsburg Cusd 12 also operates Ringwood School Primary Ctr (420 students) and Johnsburg Elementary School (386 students) alongside Johnsburg High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Johnsburg High School compares
Johnsburg High School on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.9:1 | ▼ 8% | 14:1 | 15.7:1 |
| Enrollment | 502 | top 30% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.9:1
Leaner classes than 68% of US schools, among the more generously staffed nationally.
502
Bigger than 62% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
12.9:1
students per teacher
- 8% below state mean
Top 41% in Illinois - lower ratio than 59% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
22.9%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$18,345
per pupil, district-wide
- above Illinois avg of $17,042
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors2.0 FTE
Per 251 students, the combined health-and-guidance staffing load for this school.
Discipline context
46
in-school suspensions + 15 out-of-school
Suspension rate: 9.2 per 100 students. Combined in-school and out-of-school rate: 12.2 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 83.5%
Hispanic or Latino 10.2%
Two or More 4.4%
African American 1.0%
Asian 0.6%
American Indian / Alaska Native 0.4%
Largest group: White at 83.5% of enrollment.
Student-body diversity index 29.0/100
Simpson diversity index - at 29.0, Johnsburg High School is less mixed than the Illinois school average of 38.9.
Programs
AP courses offered 12
Funding & spending
District-wide per-pupil expenditure for Johnsburg Cusd 12, which includes Johnsburg High School.
$18,345
Per student
+8%
vs Illinois
Avg $17,042
+11%
vs U.S.
Avg $16,593
Revenue mix
Local 64.4%
State 29.3%
Federal 6.3%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Johnsburg High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Ringwood School Primary Ctr | Similar size | No free-lunch data | Similar S:T ratio |
| Johnsburg Elementary School | Similar size | No free-lunch data | Similar S:T ratio |
| Johnsburg Jr High School | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Johnsburg High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 420
- Students per teacher
- 14:1
- Resource Index
- 63/100
- Enrollment
- 386
- Students per teacher
- 14.3:1
- Resource Index
- 66/100
- Enrollment
- 373
- Students per teacher
- 13.8:1
- Resource Index
- 48/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Illinois, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~502 students)
Similar student-teacher ratio (~12.9:1)
Next steps
Verify locally before acting on Johnsburg High School's federal record.
- Compare Johnsburg High School against another school. Compare schools
- Johnsburg Cusd 12's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Johnsburg High School
How many students attend Johnsburg High School?
Johnsburg High School has 502 students enrolled. It is a high school in Johnsburg, IL.
What is the student-teacher ratio at Johnsburg High School?
The student-teacher ratio at Johnsburg High School is 12.9:1, which is 8% lower than the Illinois average of 14:1 and 18% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Johnsburg High School?
The largest demographic group at Johnsburg High School is White at 83.5% of enrollment, in Johnsburg, IL.
What is the Resource Investment Index for Johnsburg High School?
Johnsburg High School has a Resource Investment Index of 46/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Johnsburg High School rank among public schools in Johnsburg?
By Resource Investment Index, Johnsburg High School ranks #3 of 3 public schools in Johnsburg, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Johnsburg on the city page.
Is Johnsburg High School a good school?
Johnsburg High School earns 46/100 on the Resource Investment Index, with class sizes near the Illinois median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Johnsburg Cusd 12?
Besides Johnsburg High School, Johnsburg Cusd 12 also operates Ringwood School Primary Ctr (420 students), Johnsburg Elementary School (386 students), and Johnsburg Jr High School (373 students). See the Johnsburg Cusd 12 district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.