- Enrollment
- 856
- Students per teacher
- 15:1
- Resource Index
- 46/100
Elementary school (grades K-5) · Lemont, IL
River Valley School
Federal NCES profile for River Valley School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataElementary school (grades K-5)NCES 170729005661
👥 S:T ratio 38
🌟 Gifted program 30
📋 Attendance 77
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
River Valley School earns 48/100 on the Resource Investment Index, with class sizes larger than 75% of Illinois schools.
- #1 of 5
- public schools in Lemont · Resource Index
- 48
- Resource Index · Typical
- 15.5:1
- large classes for Illinois
- 588
- students enrolled
River Valley School has class sizes larger than 75% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, River Valley School ranks #1 of 5 public schools in Lemont, IL.
School address
District: Lemont-Bromberek Csd 113a · Illinois
NCES ID 170729005661 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+16 students YoY
River Valley School held near 578 students from 2022-23 to 2023-24 (+16 headcount).
Teacher FTE lost 38.0 → 37.5 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+16 students YoY 170729005661 · Lemont, IL Elementary · MID · TRAD
588 enr · 15.5:1 · RII 48
Nearest enrollment peer: Old Quarry Middle Sch (856 students)
River Valley School held near 578 students from 2022-23 to 2023-24 (+16 headcount). Teacher FTE lost 38.0 → 37.5 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
River Valley School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Old Quarry Mid
Old Quarry Middle Sch
856 students
- Oakwood School
Oakwood School
629 students
- Central School
Central School
591 students
- This school
River Valley School
588 students
What this shows River Valley School reports 588 students on the CCD universe file.
How River Valley School compares
River Valley 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 | 15.5:1 | ▲ 11% | 14:1 | 15.7:1 |
| Enrollment | 588 | top 22% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.5:1
Leaner classes than 42% of US schools, a middle-of-the-pack class size.
588
Bigger than 72% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
15.5:1
students per teacher
- 11% above state mean
Top 75% in Illinois - lower ratio than 25% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
9.2%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$13,838
per pupil, district-wide
- below Illinois avg of $18,196
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
11
in-school suspensions + 3 out-of-school
Suspension rate: 1.9 per 100 students. Combined in-school and out-of-school rate: 2.4 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 81.5%
Hispanic or Latino 9.7%
Asian 4.9%
Two or More 2.9%
African American 0.9%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 81.5% of enrollment.
Student-body diversity index 32.3/100
Simpson diversity index - at 32.3, River Valley School is less mixed than the Illinois school average of 38.9.
Programs
District finance for Lemont-Bromberek Csd 113a reports $13,838 per pupil (NCES F-33) - open the district page for the full revenue mix.
How River Valley School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Old Quarry Middle Sch | Larger | No free-lunch data | Similar S:T ratio |
| Oakwood School | Similar size | No free-lunch data | Similar S:T ratio |
| Central School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to River Valley School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 629
- Students per teacher
- 15.3:1
- Resource Index
- 42/100
- Enrollment
- 591
- Students per teacher
- 16.9:1
- Resource Index
- 32/100
Similar elementary schools in Lemont
1 comparable elementary schools (grades K-5) serving the same city.
Nationwide elementary 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 (~588 students)
Frequently asked questions about River Valley School
How many students attend River Valley School?
River Valley School has 588 students enrolled. It is an elementary school in Lemont, IL. CCD year-over-year: 562 (2022-23) → 578 (2023-24), nearly flat (+16).
What is the student-teacher ratio at River Valley School?
The student-teacher ratio at River Valley School is 15.5:1, which is 11% higher than the Illinois average of 14:1 and 1% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of River Valley School?
The largest demographic group at River Valley School is White at 81.5% of enrollment, in Lemont, IL.
What is the Resource Investment Index for River Valley School?
River Valley School has a Resource Investment Index of 48/100 (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 River Valley School rank among public schools in Lemont?
By Resource Investment Index, River Valley School ranks #1 of 5 public schools in Lemont, 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 Lemont on the city page.
What other schools are in Lemont-Bromberek Csd 113a?
Besides River Valley School, Lemont-Bromberek Csd 113a also operates Old Quarry Middle Sch (856 students), Oakwood School (629 students), and Central School (591 students). See the Lemont-Bromberek Csd 113a district page for the complete list.