- Enrollment
- 2,665
- Students per teacher
- 15.5:1
- Resource Index
- 47/100
High school (grades 9-12) · Elgin, IL
Larkin High School
Federal NCES profile for Larkin High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 171371001690
👥 S:T ratio 32
🌟 Gifted program 70
🎓 Counselors 38
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Larkin High School earns 47/100 on the Resource Investment Index, with class sizes larger than 87% of Illinois schools. It is also one of the largest schools in Illinois.
- #3 of 27
- public schools in Elgin · Resource Index
- 47
- Resource Index · Typical
- 16.9:1
- large classes for Illinois
- 2,174
- students enrolled
Larkin High School has class sizes larger than 87% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Larkin High School ranks #3 of 27 public schools in Elgin, IL.
School address
NCES CCD universe card
School universe 171371001690 · Elgin, IL High · LARGE · TRAD
2,174 enr · 16.9:1 · RII 47
Nearest enrollment peer: South Elgin High School (2,665 students)
Resource Investment Index #3 of 27 public schools in Elgin. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Illinois schools → · Find another →
Larkin High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- South Elgin Hi
South Elgin High School
2,665 students
- Elgin High Sch
Elgin High School
2,576 students
- This school
Larkin High School
2,174 students
- Bartlett High
Bartlett High School
2,037 students
- Streamwood Hig
Streamwood High School
1,890 students
- Kenyon Woods M 873
Kenyon Woods Middle School
873 students
What this shows Larkin High School reports 2,174 students on the CCD universe file.
How Larkin High School compares
Larkin 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 | 16.9:1 | ▲ 21% | 14:1 | 15.7:1 |
| Enrollment | 2,174 | top 2% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.9:1
Leaner classes than 31% of US schools, heavier class loads than most.
2,174
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
16.9:1
students per teacher
- 21% above state mean
Top 87% in Illinois - lower ratio than 13% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Funding equity
$19,216
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
Counselors7.0 FTE
Per 311 students, the combined health-and-guidance staffing load for this school.
Discipline context
419
in-school suspensions + 236 out-of-school
Suspension rate: 19.3 per 100 students. Combined in-school and out-of-school rate: 30.1 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 74.4%
White 10.4%
African American 8.5%
Two or More 3.8%
American Indian / Alaska Native 1.7%
Asian 1.3%
Largest group: Hispanic or Latino at 74.4% of enrollment.
Student-body diversity index 42.7/100
Simpson diversity index - at 42.7, Larkin High School is more mixed than the Illinois school average of 38.9.
Programs
AP courses offered 15
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Sd U-46, which includes Larkin High School.
$19,216
Per student
+6%
vs Illinois
Avg $18,196
+9%
vs U.S.
Avg $17,658
Revenue mix
Local 43.9%
State 48.7%
Federal 7.5%
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 Larkin High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| South Elgin High School | Similar size | No free-lunch data | Similar S:T ratio |
| Elgin High School | Similar size | No free-lunch data | Similar S:T ratio |
| Bartlett High School | Similar size | No free-lunch data | Lower S:T ratio |
| Streamwood High School | Similar size | No free-lunch data | Similar S:T ratio |
| Kenyon Woods Middle School | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Larkin High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,576
- Students per teacher
- 16.8:1
- Resource Index
- 49/100
- Enrollment
- 2,037
- Students per teacher
- 14.9:1
- Resource Index
- 51/100
- Enrollment
- 1,890
- Students per teacher
- 16.7:1
- Resource Index
- 37/100
- Enrollment
- 873
- Students per teacher
- 16.2:1
- Resource Index
- 29/100
Similar high schools in Elgin
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 (~2,174 students)
Frequently asked questions about Larkin High School
How many students attend Larkin High School?
Larkin High School has 2,174 students enrolled. It is a high school in Elgin, IL.
What is the student-teacher ratio at Larkin High School?
The student-teacher ratio at Larkin High School is 16.9:1, which is 21% higher than the Illinois average of 14:1 and 8% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Larkin High School?
The largest demographic group at Larkin High School is Hispanic or Latino at 74.4% of enrollment, in Elgin, IL.
What is the Resource Investment Index for Larkin High School?
Larkin High School has a Resource Investment Index of 47/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Larkin High School rank among public schools in Elgin?
By Resource Investment Index, Larkin High School ranks #3 of 27 public schools in Elgin, 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 Elgin on the city page.
What other schools are in Sd U-46?
Besides Larkin High School, Sd U-46 also operates South Elgin High School (2,665 students), Elgin High School (2,576 students), and Bartlett High School (2,037 students). See the Sd U-46 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.