- Enrollment
- 536
- Students per teacher
- 12.2:1
- Resource Index
- 28/100
Middle school (grades 6-8) · Niles, IL
Gemini Middle School
Federal NCES profile for Gemini Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 39/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 171314001552
👥 S:T ratio 51
🌟 Gifted program 30
📋 Attendance 36
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Gemini Middle School earns 39/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also more racially and ethnically mixed than most Illinois schools.
- #3 of 6
- public schools in Niles · Resource Index
- 39
- Resource Index · Typical
- 12.3:1
- students per teacher
- 1,111
- students enrolled
Gemini Middle School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Gemini Middle School ranks #3 of 6 public schools in Niles, IL.
School address
District: East Maine Sd 63 · Illinois
NCES ID 171314001552 Verify on NCES CCD record →
NCES CCD universe card
School universe 171314001552 · Niles, IL Middle · MID · TRAD
1,111 enr · 12.3:1 · RII 39
Nearest enrollment peer: Apollo Elem School (536 students)
Resource Investment Index #3 of 6 public schools in Niles. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Illinois schools → · Find another →
Gemini Middle School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Gemini Middle School
1,111 students
- Apollo Elem Sc
Apollo Elem School
536 students
- Mark Twain Ele
Mark Twain Elem School
489 students
- V H Nelson Ele
V H Nelson Elem School
479 students
- Washington Ele 406
Washington Elem School
406 students
- Melzer School 395
Melzer School
395 students
What this shows Gemini Middle School reports 1,111 students on the CCD universe file.
How Gemini Middle School compares
Gemini Middle 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 | 12.3:1 | ▼ 12% | 14:1 | 15.7:1 |
| Enrollment | 1,111 | top 6% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.3:1
Leaner classes than 73% of US schools, among the more generously staffed nationally.
1,111
Bigger than 93% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
12.3:1
students per teacher
- 12% below state mean
Top 33% in Illinois - lower ratio than 67% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
25.5%
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
$20,003
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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
16
in-school suspensions + 14 out-of-school
Suspension rate: 1.4 per 100 students. Combined in-school and out-of-school rate: 2.7 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 31.8%
Asian 27.7%
Hispanic or Latino 23.9%
Two or More 10.5%
African American 5.9%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 31.8% of enrollment.
Student-body diversity index 75.1/100
Simpson diversity index - at 75.1, Gemini Middle School is more mixed than the Illinois school average of 38.9.
Programs
Funding & spending
District-wide per-pupil expenditure for East Maine Sd 63, which includes Gemini Middle School.
$20,003
Per student
+10%
vs Illinois
Avg $18,196
+13%
vs U.S.
Avg $17,658
Revenue mix
Local 59.1%
State 31.5%
Federal 9.4%
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 Gemini Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Apollo Elem School | Smaller | No free-lunch data | Similar S:T ratio |
| Mark Twain Elem School | Smaller | No free-lunch data | Higher S:T ratio |
| V H Nelson Elem School | Smaller | No free-lunch data | Similar S:T ratio |
| Washington Elem School | Smaller | No free-lunch data | Similar S:T ratio |
| Melzer School | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Gemini Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 489
- Students per teacher
- 14.4:1
- Resource Index
- 28/100
- Enrollment
- 479
- Students per teacher
- 13.3:1
- Resource Index
- 35/100
- Enrollment
- 406
- Students per teacher
- 12.7:1
- Resource Index
- 44/100
- Enrollment
- 395
- Students per teacher
- 12.3:1
- Resource Index
- 42/100
Similar middle schools in Niles
1 comparable middle schools (grades 6-8) serving the same city.
Nationwide middle 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 (~1,111 students)
Frequently asked questions about Gemini Middle School
How many students attend Gemini Middle School?
Gemini Middle School has 1,111 students enrolled. It is a middle school in Niles, IL.
What is the student-teacher ratio at Gemini Middle School?
The student-teacher ratio at Gemini Middle School is 12.3:1, which is 12% lower than the Illinois average of 14:1 and 22% 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 Gemini Middle School?
The largest demographic group at Gemini Middle School is White at 31.8% of enrollment, in Niles, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 75.1/100.
What is the Resource Investment Index for Gemini Middle School?
Gemini Middle School has a Resource Investment Index of 39/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Gemini Middle School rank among public schools in Niles?
By Resource Investment Index, Gemini Middle School ranks #3 of 6 public schools in Niles, 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 Niles on the city page.
What other schools are in East Maine Sd 63?
Besides Gemini Middle School, East Maine Sd 63 also operates Apollo Elem School (536 students), Mark Twain Elem School (489 students), and V H Nelson Elem School (479 students). See the East Maine Sd 63 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.