At a glance
Reported students
812
NCES CCD 2024–25
Teachers (FTE)
67.33
NCES CCD 2024–25
Student–teacher ratio
12.1:1
Calculated; not a class-size measure
Grades served
06–08
NCES preliminary directory 2025–26
School benchmarks
Illinois middle enrollment
89th percentile
Compared with 703 same-level schools reporting enrollment.
District median enrollment
593
South Middle School: 812 reported students.
State peer staffing position
40th percentile
12.1:1 reported; state peer median 12.7:1. Ratio is not class size.
Historical enrollment and staffing · CRDC 2021–22
These older figures are kept separate from 2024–25 statistics and benchmarks. Differences between years can reflect changes in enrollment, staffing, or reporting scope.
- Students
- 845
- Teachers (FTE)
- 78
- Student–teacher ratio
- 10.8:1
What the reported data says about South Middle School
South Middle School is a public middle school serving grades 06–08 in Arlington Heights. It is one of 9 current school records connected to Arlington Heights SD 25. NCES reports 812 students for 2024–25.
Among 703 middle schools in Illinois with comparable records, this school is larger than the reported median of 413 students. Its enrollment is at approximately the 89th percentile for that peer group. Size describes the campus, not instructional quality.
The reported student–teacher ratio is 12.1:1, close to the Illinois median of 12.7:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.
The largest reported race and ethnicity groups are White (83.6%) and Hispanic or Latino (9%). English learners represent 3.6% of enrollment. Students served under IDEA represent 10.2%. These figures help families understand who the school serves; they are not rating inputs.
Questions worth asking South Middle School
- 1How do the reported 12.1:1 student–teacher ratio and 67.33 teacher FTE translate into actual class sizes by grade?
- 2Which advanced, gifted, career, arts, and computer-science courses are available this year, and how do students qualify?
- 3What counseling support is available today? The school reported 0 counselor FTE in 2021–22.
- 4What meal assistance, transportation, after-school, and family-support services are currently available?
Enrollment needs
- English learners
- 3.6%
- Students with disabilities
- 10.2%
- Free/reduced-price lunch
- 15.6%
- Lunch program
- Yes participating without using any Provision or the CEO
Reported support staff
- Counselors (FTE)
- 0
- Nurses (FTE)
- 1
- Psychologists (FTE)
- 1
- Social workers (FTE)
- 2
CRDC 2021–22 full-time-equivalent counts; verify current assignments with the school.
Student demographics
Race and ethnicity share of reported enrollment
- White83.6%
- Hispanic9%
- Black1%
- Asian6.2%
- American Indian / Alaska Native0%
- Native Hawaiian / Pacific Islander0.1%
- Multiracial0.1%
Race/ethnicity: NCES CCD 2024–25. English learner and disability context: CRDC 2021–22. Lunch eligibility: NCES CCD 2024–25. Privacy rules can produce missing values.
Programs reported by the school
Gifted and talented
Not reported as offered
CRDC 2021–22: the AP flag records student enrollment; gifted and computer-science fields describe reported programs/classes. Confirm current courses and eligibility with the school.
Other schools in Arlington Heights SD 25
Start with campuses at the same school level or with similar reported enrollment.
Thomas Middle School
Middle · Grades 06–08
1,024 reported students
Olive-Mary Stitt School
Elementary · Grades KG–05
671 reported students
Westgate Elem School
Elementary · Grades KG–05
633 reported students
Ivy Hill Elem School
Elementary · Grades PK–05
593 reported students
Dryden Elem School
Elementary · Grades KG–05
521 reported students
Windsor Elementary School
Elementary · Grades KG–05
490 reported students
Public schools near South Middle School
Closest campuses by straight-line distance between NCES geocodes, favoring the same school level. Distance is not drive time or an attendance assignment.
| School | Grades | Students | Distance |
|---|---|---|---|
| Carl Sandburg Middle School Middle · Palatine CCSD 15 | 06–08 | 468 | 1.4 mi |
| Thomas Middle School Middle · Arlington Heights SD 25 | 06–08 | 1,024 | 1.8 mi |
| Holmes Jr High School Middle · Comm Cons SD 59 | 06–08 | 459 | 1.9 mi |
| Lincoln Middle School Middle · Mount Prospect SD 57 | 06–08 | 784 | 2.3 mi |
| MacArthur Middle School Middle · Prospect Heights SD 23 | 06–08 | 483 | 2.9 mi |
| Plum Grove Middle School Middle · Palatine CCSD 15 | 06–08 | 1,128 | 3.1 mi |
Frequently asked questions about South Middle School
What grades does South Middle School serve?
South Middle School reports grades 06–08 in the NCES 2025–26 preliminary directory. It is classified as a middle school in Arlington Heights SD 25.
How many students attend South Middle School?
South Middle School reported 812 students in the NCES 2024–25 membership file. That places it near the 89th percentile among 703 Illinois middle schools reporting enrollment. The 2021–22 civil-rights collection recorded 845 students.
What is the student–teacher ratio at South Middle School?
The calculated ratio is 12.1:1, based on 812 students and 67.33 full-time-equivalent classroom teachers in 2024–25. The Illinois median for the same school level is 12.7:1. A ratio is not the same as average class size.
Is South Middle School a public, charter, or magnet school?
South Middle School is a public school and is not a charter school. Enrollment is generally based on Arlington Heights SD 25 attendance boundaries and transfer rules.
What share of South Middle School students qualify for free or reduced-price meals?
15.6% of students were eligible for free or reduced-price lunch in 2024–25. This describes the students served and is not a quality measure.
Which school district is South Middle School in?
South Middle School is part of Arlington Heights SD 25, based in Arlington Heights, IL, which operates 9 current schools. Confirm attendance zones and enrollment rules with the district.
What public schools are near South Middle School?
The closest public schools by straight-line distance include Carl Sandburg Middle School (1.4 mi), Thomas Middle School (1.8 mi), Holmes Jr High School (1.9 mi). Distance does not determine eligibility; attendance boundaries and program rules do.