Enrollment
733
California · 2024-25 NCES data
Elementary school (grades K-5) · Riverside, CA
Lake Mathews Elementary
Federal NCES profile for Lake Mathews Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 29/100.
2024-25 NCES dataElementary school (grades K-5)NCES 063315011183
👥 S:T ratio 2
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 44
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Lake Mathews Elementary earns 29/100 on the Resource Investment Index, with class sizes larger than 75% of California schools. It is also more racially and ethnically mixed than most California schools.
- #6 of 43
- elementary schools in Riverside · Resource Index
- 29
- Resource Index · Lower
- 24.4:1
- large classes for California
- 30.4%
- free-lunch eligible
Lake Mathews Elementary has class sizes larger than 75% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Lake Mathews Elementary ranks #6 of 43 elementary schools in Riverside, CA.
School address
District: Riverside Unified · California
NCES ID 063315011183 Verify on NCES CCD record →
Teachers (FTE)
30.0
Federal CCD staff survey
Students per teacher
24.4:1
vs 21.5:1 California avg
+13% vs state
Free-lunch eligible
30.4%
vs 55.5% California avg
-45% vs state
Student-teacher ratio in context
How Lake Mathews Elementary compares with California and U.S. medians
What stands out at Lake Mathews Elementary
Lake Mathews Elementary is a mid-sized elementary school in Riverside, California, enrolling 733 students.
Class loads run somewhat heavier than typical: 24.4:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 30.4% of students eligible for free meals.
Enrollment of 733 puts it in the larger third of California schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 1,298 statewide peers matched on enrollment and economic need, it ranks mid-pack at #763.
Its student body is led by Hispanic or Latino (45%) and White (25%), more mixed than most schools in the state (diversity index 70/100).
Counselor access is stretched at roughly 1466 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance runs somewhat below the norm, with 22.4% of students chronically absent per the 2021-22 civil-rights collection.
Among Riverside's elementary schools, it stands alongside Mark Twain Elementary (1,033 students): Lake Mathews Elementary is smaller than that campus by headcount and runs leaner classes (24.4:1 vs 26.5:1).
Riverside Unified also operates Martin Luther King Jr. High (2,699 students) and Polytechnic High (2,484 students) alongside Lake Mathews Elementary.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Lake Mathews Elementary compares
Lake Mathews Elementary on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 24.4:1 | ▲ 13% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 30.4% | ▼ 45% | 55.5% | 51.7% |
| Enrollment | 733 | top 21% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
24.4:1
Leaner classes than 6% of US schools, heavier class loads than most.
733
Bigger than 82% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
30.4%
free-lunch eligible
- 45% below the California average of 55.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
24.4:1
students per teacher
- 13% above state mean
Top 75% in California - lower ratio than 25% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
22.4%
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
$14,545
per pupil, district-wide
- below California avg of $16,509
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors0.5 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
3
in-school suspensions + 4 out-of-school
Suspension rate: 0.4 per 100 students. Combined in-school and out-of-school rate: 1.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Hispanic or Latino 45.4%
White 25.0%
Asian 17.1%
African American 6.7%
Two or More 5.6%
American Indian / Alaska Native 0.3%
Largest group: Hispanic or Latino at 45.4% of enrollment.
Student-body diversity index 69.5/100
Simpson diversity index - at 69.5, Lake Mathews Elementary is more mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Riverside Unified, which includes Lake Mathews Elementary.
$14,545
Per student
-12%
vs California
Avg $16,509
-12%
vs U.S.
Avg $16,593
Revenue mix
Local 24.1%
State 64.5%
Federal 11.4%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Lake Mathews Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Martin Luther King Jr. High | Larger | Similar economic need | Similar S:T ratio |
| Polytechnic High | Larger | Higher economic need | Similar S:T ratio |
| Ramona High | Larger | Higher economic need | Similar S:T ratio |
| John W. North High | Larger | Higher economic need | Lower S:T ratio |
| Arlington High | Larger | Higher economic need | Similar S:T ratio |
Comparisons are relative to Lake Mathews Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,699
- Students per teacher
- 23.7:1
- Resource Index
- 35/100
- Enrollment
- 2,484
- Students per teacher
- 24.1:1
- Resource Index
- 36/100
- Enrollment
- 2,142
- Students per teacher
- 23:1
- Resource Index
- 38/100
- Enrollment
- 2,011
- Students per teacher
- 22.1:1
- Resource Index
- 40/100
- Enrollment
- 1,920
- Students per teacher
- 24.3:1
- Resource Index
- 34/100
Similar elementary schools in Riverside
6 comparable elementary schools (grades K-5) serving the same city.
Mark Twain Elementary
Standard public school
1,033 students 26.5:1 students per teacher
Jefferson Elementary
Standard public school
886 students 22.7:1 students per teacher
John F. Kennedy Elementary
Standard public school
864 students 26.2:1 students per teacher
Mountain View Elementary
Standard public school
851 students 23.6:1 students per teacher
Highgrove Elementary
Standard public school
848 students 27.4:1 students per teacher
Washington Elementary
Standard public school
818 students 25.6:1 students per teacher
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~733 students)
Next steps
Verify locally before acting on Lake Mathews Elementary's federal record.
- Compare Lake Mathews Elementary against another school. Compare schools
- Riverside Unified's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Lake Mathews Elementary
How many students attend Lake Mathews Elementary?
Lake Mathews Elementary has 733 students enrolled. It is an elementary school in Riverside, CA.
What is the student-teacher ratio at Lake Mathews Elementary?
The student-teacher ratio at Lake Mathews Elementary is 24.4:1, which is 13% higher than the California average of 21.5:1 and 55% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Lake Mathews Elementary?
30.4% of students at Lake Mathews Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Lake Mathews Elementary?
The largest demographic group at Lake Mathews Elementary is Hispanic or Latino at 45.4% of enrollment, in Riverside, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 69.5/100.
What is the Resource Investment Index for Lake Mathews Elementary?
Lake Mathews Elementary has a Resource Investment Index of 29/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Lake Mathews Elementary rank among elementary schools in Riverside?
By Resource Investment Index, Lake Mathews Elementary ranks #6 of 43 elementary schools in Riverside, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Riverside on the city page.
Is Lake Mathews Elementary a good school?
Lake Mathews Elementary earns 29/100 on the Resource Investment Index, with class sizes larger than 75% of California schools. It is also more racially and ethnically mixed than most California schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Riverside Unified?
Besides Lake Mathews Elementary, Riverside Unified also operates Martin Luther King Jr. High (2,699 students), Polytechnic High (2,484 students), and Ramona High (2,142 students). See the Riverside Unified district page for the complete list.
Related tools
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, or report a data error. Data current as of June 2026.