Elementary school (grades K-5) · North Highlands, CA

Oakdale Elementary

Federal NCES profile for Oakdale Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 9/100.

2024-25 NCES dataElementary school (grades K-5)NCES 060133205103
0/100100/1009/100
👥 S:T ratio
7
🌟 Gifted program
30
🎓 Counselors
0
📋 Attendance
0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Oakdale Elementary earns 9/100 on the Resource Investment Index, with class sizes near the California median. It is also more racially and ethnically mixed than most California schools.

#7 of 8
elementary schools in North Highlands · Resource Index
9
Resource Index · Lower
23.3:1
students per teacher
89.0%
free-lunch eligible

Oakdale Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.

By Resource Investment Index, Oakdale Elementary ranks #7 of 8 elementary schools in North Highlands, CA.

Enrollment

559

California · 2024-25 NCES data

Teachers (FTE)

24.0

Federal CCD staff survey

Students per teacher

23.3:1

vs 21.5:1 California avg

+8% vs state

Free-lunch eligible

89.0%

vs 55.5% California avg

+60% vs state

Student-teacher ratio in context

How Oakdale Elementary compares with California and U.S. medians

Slightly above state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Oakdale Elementary

Oakdale Elementary is a high-poverty, mid-sized elementary school in North Highlands, California, enrolling 559 students.

Class loads run somewhat heavier than typical: 23.3:1 puts it in the larger third of California schools by student-teacher ratio.

Economic need is high: 89.0% of students qualify for free meals, 60% above the California average, a Title I-weighted population that federal funding formulas prioritise.

With 559 students, its enrollment sits close to the California median campus size.

Its Resource Investment Index trails 99% of the 9,998 California schools with a score on record, one of the lower results on this measure.

Among 1,534 similarly sized, similarly resourced-need California schools statewide, it ranks #1,487, in the lower tier once campus size and economic need are matched.

Its student body is led by Hispanic or Latino (27%) and Asian (24%), more mixed than most schools in the state (diversity index 79/100).

Counselor access is stretched at roughly 559 students per counselor, well above the ASCA-recommended 250:1 ceiling.

Chronic absenteeism is elevated: 67.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).

Its district draws 21.0% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.

Among North Highlands's elementary schools, it stands alongside Madison Elementary (754 students): Oakdale Elementary is smaller than that campus by headcount and runs leaner classes (23.3:1 vs 26:1).

Twin Rivers Unified also operates Grant Union High (1,987 students) and Rio Linda High (1,594 students) alongside Oakdale 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 Oakdale Elementary compares

Oakdale 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 23.3:1 ▲ 8% 21.5:1 15.7:1
Free-lunch eligible 89.0% ▲ 60% 55.5% 51.7%
Enrollment 559 top 37% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

23.3:1
Leaner classes than 8% of US schools, heavier class loads than most.
559
Bigger than 69% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Economic need
89.0%
free-lunch eligible - 60% above the California average of 55.5%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
23.3:1
students per teacher - 8% above state mean
Top 65% in California - lower ratio than 35% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
67.8%
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
$17,365
per pupil, district-wide - above California avg of $16,509
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors1.0 FTE
Per 559 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 97 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 17.4 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 27.2%
Asian 24.3%
White 18.8%
African American 16.8%
Two or More 10.7%
Native Hawaiian / Pacific Islander 2.0%
American Indian / Alaska Native 0.2%

Largest group: Hispanic or Latino at 27.2% of enrollment.

Student-body diversity index 79.2/100

Simpson diversity index - at 79.2, Oakdale Elementary is more mixed than the California school average of 46.0.

Programs

Funding & spending

District-wide per-pupil expenditure for Twin Rivers Unified, which includes Oakdale Elementary.

$17,365
Per student
+5%
vs California
Avg $16,509
+5%
vs U.S.
Avg $16,593
Revenue mix
Local 19.3%
State 59.8%
Federal 21.0%

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 Oakdale Elementary Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Grant Union High Larger Similar economic need Lower S:T ratio
Rio Linda High Larger Lower economic need Lower S:T ratio
Foothill High Larger Similar economic need Higher S:T ratio
Smythe Academy of Arts and Sciences Larger Lower economic need Similar S:T ratio
Las Palmas Elementary Larger Similar economic need Higher S:T ratio

Comparisons are relative to Oakdale Elementary's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Twin Rivers Unified · 5 sibling schools

View district profile

Similar elementary schools in North Highlands

6 comparable elementary schools (grades K-5) serving the same city.

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.

Next steps

Verify locally before acting on Oakdale Elementary's federal record.

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 Oakdale Elementary

How many students attend Oakdale Elementary?

Oakdale Elementary has 559 students enrolled. It is an elementary school in North Highlands, CA.

What is the student-teacher ratio at Oakdale Elementary?

The student-teacher ratio at Oakdale Elementary is 23.3:1, which is 8% higher than the California average of 21.5:1 and 48% higher than the national average of 15.7:1.

What percentage of students receive free lunch at Oakdale Elementary?

89.0% of students at Oakdale Elementary are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of Oakdale Elementary?

The largest demographic group at Oakdale Elementary is Hispanic or Latino at 27.2% of enrollment, in North Highlands, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 79.2/100.

What is the Resource Investment Index for Oakdale Elementary?

Oakdale Elementary has a Resource Investment Index of 9/100 (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 Oakdale Elementary rank among elementary schools in North Highlands?

By Resource Investment Index, Oakdale Elementary ranks #7 of 8 elementary schools in North Highlands, 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 North Highlands on the city page.

Is Oakdale Elementary a good school?

Oakdale Elementary earns 9/100 on the Resource Investment Index, with class sizes near the California median. 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 Twin Rivers Unified?

Besides Oakdale Elementary, Twin Rivers Unified also operates Grant Union High (1,987 students), Rio Linda High (1,594 students), and Foothill High (1,417 students). See the Twin Rivers Unified district page for the complete list.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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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.