Enrollment
464
Illinois · 2024-25 NCES data
High school (grades 9-12) · Byron, IL
Byron High School 9-12
Federal NCES profile for Byron High School 9-12, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 170801000407
👥 S:T ratio 46
📚 AP courses 35
🌟 Gifted program 70
🎓 Counselors 69
📋 Attendance 16
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Byron High School 9-12 earns 47/100 on the Resource Investment Index, with class sizes near the Illinois median.
- #2 of 3
- public schools in Byron · Resource Index
- 47
- Resource Index · Typical
- 13.6:1
- students per teacher
- 464
- students enrolled
Byron High School 9-12 has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Byron High School 9-12 ranks #2 of 3 public schools in Byron, IL.
School address
District: Byron Cusd 226 · Illinois
NCES ID 170801000407 Verify on NCES CCD record →
Teachers (FTE)
34.0
Federal CCD staff survey
Students per teacher
13.6:1
vs 14:1 Illinois avg
-3% vs state
Student-teacher ratio in context
How Byron High School 9-12 compares with Illinois and U.S. medians
What stands out at Byron High School 9-12
Byron High School 9-12 is a mid-sized high school in Byron, Illinois, enrolling 464 students.
At 13.6:1, 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 464 puts it in the larger third of Illinois schools by headcount.
Its Resource Investment Index lands in the upper third of 3,845 scored Illinois schools.
Its student body is predominantly White (85% of enrollment) (diversity index 27/100).
On the academic-pipeline side it reports 7 Advanced Placement courses.
Counselor coverage is strong, about 155 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 33.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Byron Cusd 226 also operates Mary Morgan Elem Sch (631 students) and Byron Middle School (366 students) alongside Byron High School 9-12.
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 Byron High School 9-12 compares
Byron High School 9-12 on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.6:1 | ▼ 3% | 14:1 | 15.7:1 |
| Enrollment | 464 | top 35% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.6:1
Leaner classes than 61% of US schools, a middle-of-the-pack class size.
464
Bigger than 57% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
13.6:1
students per teacher
- 3% below state mean
Top 51% in Illinois - lower ratio than 49% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
33.8%
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
$19,509
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
Counselors3.0 FTE
Per 155 students, the combined health-and-guidance staffing load for this school.
Discipline context
31
in-school suspensions + 31 out-of-school
Suspension rate: 6.7 per 100 students. Combined in-school and out-of-school rate: 13.4 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 84.8%
Hispanic or Latino 9.1%
Two or More 4.3%
Asian 0.7%
American Indian / Alaska Native 0.7%
African American 0.4%
Largest group: White at 84.8% of enrollment.
Student-body diversity index 27.1/100
Simpson diversity index - at 27.1, Byron High School 9-12 is less mixed than the Illinois school average of 38.9.
Programs
AP courses offered 7
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Byron Cusd 226, which includes Byron High School 9-12.
$19,509
Per student
+14%
vs Illinois
Avg $17,042
+18%
vs U.S.
Avg $16,593
Revenue mix
Local 75.1%
State 20.4%
Federal 4.5%
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 Byron High School 9-12 Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mary Morgan Elem Sch | Larger | No free-lunch data | Similar S:T ratio |
| Byron Middle School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Byron High School 9-12's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 631
- Students per teacher
- 12.6:1
- Resource Index
- 45/100
- Enrollment
- 366
- Students per teacher
- 12.2:1
- Resource Index
- 53/100
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 (~464 students)
Next steps
Verify locally before acting on Byron High School 9-12's federal record.
- Compare Byron High School 9-12 against another school. Compare schools
- Byron Cusd 226'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 Byron High School 9-12
How many students attend Byron High School 9-12?
Byron High School 9-12 has 464 students enrolled. It is a high school in Byron, IL.
What is the student-teacher ratio at Byron High School 9-12?
The student-teacher ratio at Byron High School 9-12 is 13.6:1, which is 3% lower than the Illinois average of 14:1 and 13% 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 Byron High School 9-12?
The largest demographic group at Byron High School 9-12 is White at 84.8% of enrollment, in Byron, IL.
What is the Resource Investment Index for Byron High School 9-12?
Byron High School 9-12 has a Resource Investment Index of 47/100 (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 Byron High School 9-12 rank among public schools in Byron?
By Resource Investment Index, Byron High School 9-12 ranks #2 of 3 public schools in Byron, 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 Byron on the city page.
Is Byron High School 9-12 a good school?
Byron High School 9-12 earns 47/100 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 Byron Cusd 226?
Besides Byron High School 9-12, Byron Cusd 226 also operates Mary Morgan Elem Sch (631 students) and Byron Middle School (366 students). See the Byron Cusd 226 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.