- Enrollment
- 2,216
- Students per teacher
- 21.9:1
- Resource Index
- 23/100
High school (grades 9-12) · Rockford, IL
Jefferson High School
Federal NCES profile for Jefferson High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 21/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 173451003585
👥 S:T ratio 6
🌟 Gifted program 30
🎓 Counselors 28
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Jefferson High School earns 21/100 on the Resource Investment Index, with class sizes larger than 98% of Illinois schools. It is also one of the largest schools in Illinois.
- #5 of 5
- high schools in Rockford · Resource Index
- 21
- Resource Index · Lower
- 23.6:1
- large classes for Illinois
- 2,173
- students enrolled
Jefferson High School has class sizes larger than 98% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Jefferson High School ranks #5 of 5 high schools in Rockford, IL.
School address
District: Rockford Sd 205 · Illinois
NCES ID 173451003585 Verify on NCES CCD record →
NCES CCD universe card
School universe 173451003585 · Rockford, IL High · LARGE · TRAD
2,173 enr · 23.6:1 · RII 21
Nearest enrollment peer: Guilford High School (2,216 students)
Resource Investment Index #5 of 5 high schools in Rockford. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Illinois schools → · Find another →
Jefferson High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Guilford High
Guilford High School
2,216 students
- This school
Jefferson High School
2,173 students
- Auburn High Sc
Auburn High School
1,957 students
- Rockford East
Rockford East High School
1,719 students
- Rockford Envrn
Rockford Envrnmntl Science Acad
1,108 students
- Eisenhower Mid
Eisenhower Middle School
963 students
What this shows Jefferson High School reports 2,173 students on the CCD universe file.
How Jefferson High School compares
Jefferson 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 | 23.6:1 | ▲ 69% | 14:1 | 15.7:1 |
| Enrollment | 2,173 | top 2% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
23.6:1
Leaner classes than 7% of US schools, heavier class loads than most.
2,173
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
23.6:1
students per teacher
- 69% above state mean
Top 98% in Illinois - lower ratio than 2% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Funding equity
$19,016
per pupil, district-wide
- above Illinois avg of $18,196
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors6.0 FTE
Per 362 students, the combined health-and-guidance staffing load for this school.
Discipline context
20
in-school suspensions + 20 out-of-school
Suspension rate: 0.9 per 100 students. Combined in-school and out-of-school rate: 1.8 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Student demographics
Hispanic or Latino 55.5%
African American 19.7%
White 17.3%
Two or More 4.6%
Asian 2.4%
American Indian / Alaska Native 0.5%
Largest group: Hispanic or Latino at 55.5% of enrollment.
Student-body diversity index 62.1/100
Simpson diversity index - at 62.1, Jefferson High School is more mixed than the Illinois school average of 38.9.
Programs
AP courses offered 4
Funding & spending
District-wide per-pupil expenditure for Rockford Sd 205, which includes Jefferson High School.
$19,016
Per student
+5%
vs Illinois
Avg $18,196
+8%
vs U.S.
Avg $17,658
Revenue mix
Local 38.0%
State 49.1%
Federal 13.0%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2022-23 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Jefferson High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Guilford High School | Similar size | No free-lunch data | Lower S:T ratio |
| Auburn High School | Similar size | No free-lunch data | Lower S:T ratio |
| Rockford East High School | Similar size | No free-lunch data | Lower S:T ratio |
| Rockford Envrnmntl Science Acad | Smaller | No free-lunch data | Lower S:T ratio |
| Eisenhower Middle School | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Jefferson High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,957
- Students per teacher
- 20.4:1
- Resource Index
- 46/100
- Enrollment
- 1,719
- Students per teacher
- 19.1:1
- Resource Index
- 35/100
- Enrollment
- 1,108
- Students per teacher
- 15.8:1
- Resource Index
- 28/100
- Enrollment
- 963
- Students per teacher
- 20.5:1
- Resource Index
- 21/100
Similar high schools in Rockford
4 comparable high schools (grades 9-12) serving the same city.
Guilford High School
Standard public school
2,216 students 21.9:1 students per teacher
Auburn High School
Standard public school
1,957 students 20.4:1 students per teacher
Rockford East High School
Standard public school
1,719 students 19.1:1 students per teacher
Roosevelt Center
Standard public school
60 students 1.5:1 students per teacher
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 (~2,173 students)
Similar student-teacher ratio (~23.6:1)
Frequently asked questions about Jefferson High School
How many students attend Jefferson High School?
Jefferson High School has 2,173 students enrolled. It is a high school in Rockford, IL.
What is the student-teacher ratio at Jefferson High School?
The student-teacher ratio at Jefferson High School is 23.6:1, which is 69% higher than the Illinois average of 14:1 and 50% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Jefferson High School?
The largest demographic group at Jefferson High School is Hispanic or Latino at 55.5% of enrollment, in Rockford, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 62.1/100.
What is the Resource Investment Index for Jefferson High School?
Jefferson High School has a Resource Investment Index of 21/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Jefferson High School rank among high schools in Rockford?
By Resource Investment Index, Jefferson High School ranks #5 of 5 high schools in Rockford, 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 Rockford on the city page.
What other schools are in Rockford Sd 205?
Besides Jefferson High School, Rockford Sd 205 also operates Guilford High School (2,216 students), Auburn High School (1,957 students), and Rockford East High School (1,719 students). See the Rockford Sd 205 district page for the complete list.
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, the data changelog, or report a data error. Data current as of August 2026.