- Enrollment
- 1,921
- Students per teacher
- 15.5:1
- Resource Index
- 40/100
High school (grades 9-12) · Park Ridge, IL
Maine South High School
Federal NCES profile for Maine South High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 172409005031
👥 S:T ratio 31
🌟 Gifted program 70
🎓 Counselors 45
📋 Attendance 45
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Maine South High School earns 48/100 on the Resource Investment Index, with class sizes larger than 88% of Illinois schools. It is also one of the largest schools in Illinois.
- #7 of 8
- public schools in Park Ridge · Resource Index
- 48
- Resource Index · Typical
- 17.3:1
- large classes for Illinois
- 2,494
- students enrolled
Maine South High School has class sizes larger than 88% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Maine South High School ranks #7 of 8 public schools in Park Ridge, IL.
School address
District: Maine Township Hsd 207 · Illinois
NCES ID 172409005031 Verify on NCES CCD record →
NCES CCD universe card
School universe 172409005031 · Park Ridge, IL High · LARGE · TRAD
2,494 enr · 17.3:1 · RII 48
Nearest enrollment peer: Maine East High School (1,921 students)
Resource Investment Index #7 of 8 public schools in Park Ridge. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Illinois schools → · Find another →
Maine South High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Maine South High School
2,494 students
- Maine East Hig
Maine East High School
1,921 students
- Maine West Hig
Maine West High School
1,857 students
What this shows Maine South High School reports 2,494 students on the CCD universe file.
How Maine South High School compares
Maine South 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 | 17.3:1 | ▲ 24% | 14:1 | 15.7:1 |
| Enrollment | 2,494 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.3:1
Leaner classes than 29% of US schools, heavier class loads than most.
2,494
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
17.3:1
students per teacher
- 24% above state mean
Top 88% in Illinois - lower ratio than 12% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
22.1%
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
$28,152
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
Counselors9.0 FTE
Per 277 students, the combined health-and-guidance staffing load for this school.
Discipline context
70
in-school suspensions + 34 out-of-school
Suspension rate: 2.8 per 100 students. Combined in-school and out-of-school rate: 4.2 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 78.0%
Hispanic or Latino 12.1%
Asian 5.4%
Two or More 3.4%
African American 0.8%
Native Hawaiian / Pacific Islander 0.3%
Largest group: White at 78.0% of enrollment.
Student-body diversity index 37.3/100
Simpson diversity index - at 37.3, Maine South High School is about as mixed as the Illinois school average of 38.9.
Programs
AP courses offered 29
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Maine Township Hsd 207, which includes Maine South High School.
$28,152
Per student
+55%
vs Illinois
Avg $18,196
+59%
vs U.S.
Avg $17,658
Revenue mix
Local 75.5%
State 21.8%
Federal 2.7%
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 Maine South High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Maine East High School | Similar size | No free-lunch data | Lower S:T ratio |
| Maine West High School | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Maine South High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,857
- Students per teacher
- 15.3:1
- Resource Index
- 39/100
Similar high schools in Park Ridge
1 comparable high schools (grades 9-12) serving the same city.
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 (~2,494 students)
Frequently asked questions about Maine South High School
How many students attend Maine South High School?
Maine South High School has 2,494 students enrolled. It is a high school in Park Ridge, IL.
What is the student-teacher ratio at Maine South High School?
The student-teacher ratio at Maine South High School is 17.3:1, which is 24% higher than the Illinois average of 14:1 and 10% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Maine South High School?
The largest demographic group at Maine South High School is White at 78.0% of enrollment, in Park Ridge, IL.
What is the Resource Investment Index for Maine South High School?
Maine South High School has a Resource Investment Index of 48/100 (typical 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 Maine South High School rank among public schools in Park Ridge?
By Resource Investment Index, Maine South High School ranks #7 of 8 public schools in Park Ridge, 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 Park Ridge on the city page.
What other schools are in Maine Township Hsd 207?
Besides Maine South High School, Maine Township Hsd 207 also operates Maine East High School (1,921 students) and Maine West High School (1,857 students). See the Maine Township Hsd 207 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.