Enrollment
1,437
Illinois · 2024-25 NCES data
High school (grades 9-12) · Deerfield, IL
Federal NCES profile for Deerfield High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 59/100.
The verdict
Deerfield High School earns 59/100 on the Resource Investment Index, with class sizes smaller than 71% of Illinois schools. It is also one of the largest schools in Illinois.
Deerfield High School has class sizes smaller than 71% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Deerfield High School ranks #5 of 7 public schools in Deerfield, IL.
NCES ID 171908002193 Verify on NCES CCD record →
Enrollment
1,437
Illinois · 2024-25 NCES data
Teachers (FTE)
120.0
Federal CCD staff survey
Students per teacher
12:1
vs 14:1 Illinois avg
-14% vs state
How Deerfield High School compares with Illinois and U.S. medians
Smaller classes than state median
12:1 - 2.0 below the Illinois state median of 14:1, indicating smaller average class loads than typical schools in the state.
Deerfield High School is a large high school in Deerfield, Illinois, enrolling 1,437 students.
Class sizes run a bit leaner than typical: 12:1 puts it in the smaller third of Illinois schools by student-teacher ratio.
By headcount it is one of the larger campuses in Illinois, bigger than 96% of state schools at 1,437 students.
Its Resource Investment Index lands in the upper third of 3,845 scored Illinois schools.
Its student body is predominantly White (82% of enrollment) (diversity index 32/100).
On the academic-pipeline side it reports 26 Advanced Placement courses.
Counselor coverage is strong, about 160 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 22.8% of students chronically absent per the 2021-22 civil-rights collection.
The surrounding Twp Hsd 113 spends $35,100 per pupil, 106% above the Illinois average, a better-resourced district than most.
Its district, Twp Hsd 113, also runs Highland Park High School (1,661 students).
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
Deerfield 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 | 12:1 | ▼ 14% | 14:1 | 15.7:1 |
| Enrollment | 1,437 | top 4% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: White at 82.0% of enrollment.
Simpson diversity index - at 31.8, Deerfield High School is less mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Twp Hsd 113, which includes Deerfield High School.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Highland Park High School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Deerfield High School's own figures; each column derives from NCES Common Core of Data.
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.
Next steps
Verify locally before acting on Deerfield High School's federal record.
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.
Deerfield High School has 1,437 students enrolled. It is a high school in Deerfield, IL.
The student-teacher ratio at Deerfield High School is 12:1, which is 14% lower than the Illinois average of 14:1 and 24% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Deerfield High School is White at 82.0% of enrollment, in Deerfield, IL.
Deerfield High School has a Resource Investment Index of 59/100 (higher 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).
By Resource Investment Index, Deerfield High School ranks #5 of 7 public schools in Deerfield, 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 Deerfield on the city page.
Deerfield High School earns 59/100 on the Resource Investment Index, with class sizes smaller than 71% of Illinois schools. It is also one of the largest schools in Illinois. 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.
Besides Deerfield High School, Twp Hsd 113 also operates Highland Park High School (1,661 students). See the Twp Hsd 113 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, or report a data error. Data current as of June 2026.
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PlainSchools, “Deerfield High School, Deerfield IL.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/deerfield-high-school-il
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