- Enrollment
- 1,983
- Students per teacher
- 16.7:1
- Resource Index
- 30/100
High school (grades 9-12) · Addison, IL
Addison Trail High School
Federal NCES profile for Addison Trail High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 29/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 171394001737
👥 S:T ratio 38
🌟 Gifted program 30
🎓 Counselors 47
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Addison Trail High School earns 29/100 on the Resource Investment Index, with class sizes larger than 74% of Illinois schools. It is also one of the largest schools in Illinois.
- #10 of 10
- public schools in Addison · Resource Index
- 29
- Resource Index · Lower
- 15.4:1
- large classes for Illinois
- 1,847
- students enrolled
Addison Trail High School has class sizes larger than 74% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Addison Trail High School ranks #10 of 10 public schools in Addison, IL.
School address
District: Dupage Hsd 88 · Illinois
NCES ID 171394001737 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-23 students YoY
Addison Trail High School held near 1,904 students from 2022-23 to 2023-24 (-23 headcount).
Teacher FTE lost 120.5 → 118.6 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-23 students YoY 171394001737 · Addison, IL High · MID · TRAD
1,847 enr · 15.4:1 · RII 29
Nearest enrollment peer: Willowbrook High School (1,983 students)
Addison Trail High School held near 1,904 students from 2022-23 to 2023-24 (-23 headcount). Teacher FTE lost 120.5 → 118.6 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
How Addison Trail High School compares
Addison Trail 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 | 15.4:1 | ▲ 10% | 14:1 | 15.7:1 |
| Enrollment | 1,847 | top 3% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.4:1
Leaner classes than 43% of US schools, a middle-of-the-pack class size.
1,847
Bigger than 98% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Staffing depth
15.4:1
students per teacher
- 10% above state mean
Top 74% in Illinois - lower ratio than 26% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
45.9%
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
$23,109
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
Counselors7.0 FTE
Per 264 students, the combined health-and-guidance staffing load for this school.
Discipline context
340
in-school suspensions + 59 out-of-school
Suspension rate: 18.4 per 100 students. Combined in-school and out-of-school rate: 21.6 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 70.4%
White 20.9%
Asian 4.2%
African American 2.6%
Two or More 1.4%
American Indian / Alaska Native 0.4%
Native Hawaiian / Pacific Islander 0.2%
Largest group: Hispanic or Latino at 70.4% of enrollment.
Student-body diversity index 45.8/100
Simpson diversity index - at 45.8, Addison Trail High School is more mixed than the Illinois school average of 38.9.
Programs
AP courses offered 22
District finance for Dupage Hsd 88 reports $23,109 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Addison Trail High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Willowbrook High School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Addison Trail High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
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 (~1,847 students)
Frequently asked questions about Addison Trail High School
How many students attend Addison Trail High School?
Addison Trail High School has 1,847 students enrolled. It is a high school in Addison, IL. CCD year-over-year: 1,927 (2022-23) → 1,904 (2023-24), nearly flat (-23).
What is the student-teacher ratio at Addison Trail High School?
The student-teacher ratio at Addison Trail High School is 15.4:1, which is 10% higher than the Illinois average of 14:1 and 2% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of Addison Trail High School?
The largest demographic group at Addison Trail High School is Hispanic or Latino at 70.4% of enrollment, in Addison, IL.
What is the Resource Investment Index for Addison Trail High School?
Addison Trail High School has a Resource Investment Index of 29/100 (lower 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 Addison Trail High School rank among public schools in Addison?
By Resource Investment Index, Addison Trail High School ranks #10 of 10 public schools in Addison, 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 Addison on the city page.
What other schools are in Dupage Hsd 88?
Besides Addison Trail High School, Dupage Hsd 88 also operates Willowbrook High School (1,983 students). See the Dupage Hsd 88 district page for the complete list.