Enrollment
489
California · 2024-25 NCES data
Elementary school (grades K-5) · Rancho Cordova, CA
Williamson Elementary
Federal NCES profile for Williamson Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 10/100.
2024-25 NCES dataElementary school (grades K-5)NCES 061389001584
👥 S:T ratio 0
🌟 Gifted program 30
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Williamson Elementary earns 10/100 on the Resource Investment Index, with class sizes larger than 84% of California schools. It is also more racially and ethnically mixed than most California schools.
- #11 of 11
- elementary schools in Rancho Cordova · Resource Index
- 10
- Resource Index · Lower
- 25.7:1
- large classes for California
- 62.3%
- free-lunch eligible
Williamson Elementary has class sizes larger than 84% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Williamson Elementary ranks #11 of 11 elementary schools in Rancho Cordova, CA.
School address
District: Folsom-Cordova Unified · California
NCES ID 061389001584 Verify on NCES CCD record →
Teachers (FTE)
19.0
Federal CCD staff survey
Students per teacher
25.7:1
vs 21.5:1 California avg
+20% vs state
Free-lunch eligible
62.3%
vs 55.5% California avg
+12% vs state
Student-teacher ratio in context
How Williamson Elementary compares with California and U.S. medians
What stands out at Williamson Elementary
Williamson Elementary is a higher-need, mid-sized elementary school in Rancho Cordova, California, enrolling 489 students.
Class loads run somewhat heavier than typical: 25.7:1 puts it in the larger third of California schools by student-teacher ratio.
Its free-meal eligibility rate of 62.3% lands close to the California typical range, neither a high- nor low-need campus by this measure.
With 489 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index trails 98% of the 9,998 California schools with a score on record, one of the lower results on this measure.
Among 1,935 similarly sized, similarly resourced-need California schools statewide, it ranks #1,812, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (38%) and White (30%), more mixed than most schools in the state (diversity index 74/100).
Chronic absenteeism is elevated: 49.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Among Rancho Cordova's elementary schools, it stands alongside Sunrise Elementary (1,235 students): Williamson Elementary is smaller than that campus by headcount and runs leaner classes (25.7:1 vs 30.9:1).
Folsom-Cordova Unified also operates Folsom High (2,901 students) and Cordova High (1,944 students) alongside Williamson 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 Williamson Elementary compares
Williamson 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 | 25.7:1 | ▲ 20% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 62.3% | ▲ 12% | 55.5% | 51.7% |
| Enrollment | 489 | top 47% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
25.7:1
Leaner classes than 4% of US schools, heavier class loads than most.
489
Bigger than 60% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
62.3%
free-lunch eligible
- 12% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
25.7:1
students per teacher
- 20% above state mean
Top 84% in California - lower ratio than 16% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
49.1%
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
$13,871
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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 7 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.4 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
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 37.8%
White 30.3%
Asian 12.3%
Two or More 10.0%
African American 7.0%
Native Hawaiian / Pacific Islander 2.2%
American Indian / Alaska Native 0.4%
Largest group: Hispanic or Latino at 37.8% of enrollment.
Student-body diversity index 73.5/100
Simpson diversity index - at 73.5, Williamson Elementary is more mixed than the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for Folsom-Cordova Unified, which includes Williamson Elementary.
$13,871
Per student
-16%
vs California
Avg $16,509
-16%
vs U.S.
Avg $16,593
Revenue mix
Local 38.4%
State 49.9%
Federal 11.7%
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 Williamson Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Folsom High | Larger | Lower economic need | Higher S:T ratio |
| Cordova High | Larger | Lower economic need | Lower S:T ratio |
| Vista Del Lago High | Larger | Lower economic need | Similar S:T ratio |
| Sutter Middle | Larger | Lower economic need | Similar S:T ratio |
| Folsom Middle | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Williamson Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,901
- Students per teacher
- 27.4:1
- Resource Index
- 35/100
- Enrollment
- 1,944
- Students per teacher
- 20.3:1
- Resource Index
- 31/100
- Enrollment
- 1,782
- Students per teacher
- 24.4:1
- Resource Index
- 35/100
- Enrollment
- 1,628
- Students per teacher
- 26.3:1
- Resource Index
- 35/100
- Enrollment
- 1,508
- Students per teacher
- 27.9:1
- Resource Index
- 37/100
Similar elementary schools in Rancho Cordova
6 comparable elementary schools (grades K-5) serving the same city.
Sunrise Elementary
Standard public school
1,235 students 30.9:1 students per teacher
Robert J. Mcgarvey Elementary
Standard public school
840 students 25.5:1 students per teacher
Cordova Villa Elementary
Standard public school
475 students 23.8:1 students per teacher
Navigator Elementary
Standard public school
431 students 20.5:1 students per teacher
Rancho Cordova Elementary
Standard public school
407 students 21.4:1 students per teacher
White Rock Elementary
Standard public school
381 students 22.4:1 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 (~489 students)
Next steps
Verify locally before acting on Williamson Elementary's federal record.
- Compare Williamson Elementary against another school. Compare schools
- Folsom-Cordova 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 Williamson Elementary
How many students attend Williamson Elementary?
Williamson Elementary has 489 students enrolled. It is an elementary school in Rancho Cordova, CA.
What is the student-teacher ratio at Williamson Elementary?
The student-teacher ratio at Williamson Elementary is 25.7:1, which is 20% higher than the California average of 21.5:1 and 64% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Williamson Elementary?
62.3% of students at Williamson Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Williamson Elementary?
The largest demographic group at Williamson Elementary is Hispanic or Latino at 37.8% of enrollment, in Rancho Cordova, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 73.5/100.
What is the Resource Investment Index for Williamson Elementary?
Williamson Elementary has a Resource Investment Index of 10/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Williamson Elementary rank among elementary schools in Rancho Cordova?
By Resource Investment Index, Williamson Elementary ranks #11 of 11 elementary schools in Rancho Cordova, 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 Rancho Cordova on the city page.
Is Williamson Elementary a good school?
Williamson Elementary earns 10/100 on the Resource Investment Index, with class sizes larger than 84% 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 Folsom-Cordova Unified?
Besides Williamson Elementary, Folsom-Cordova Unified also operates Folsom High (2,901 students), Cordova High (1,944 students), and Vista Del Lago High (1,782 students). See the Folsom-Cordova 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.