Enrollment
1,594
California · 2024-25 NCES data
High school (grades 9-12) · Rio Linda, CA
Rio Linda High
Federal NCES profile for Rio Linda High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 060133201991
👥 S:T ratio 22
📚 AP courses 70
🌟 Gifted program 70
🎓 Counselors 36
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Rio Linda High earns 40/100 on the Resource Investment Index, with class sizes smaller than 70% of California schools. It is also more racially and ethnically mixed than most California schools.
- #1 of 7
- public schools in Rio Linda · Resource Index
- 40
- Resource Index · Typical
- 19.4:1
- small classes for California
- 66.4%
- free-lunch eligible
Rio Linda High has class sizes smaller than 70% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Rio Linda High ranks #1 of 7 public schools in Rio Linda, CA.
School address
District: Twin Rivers Unified · California
NCES ID 060133201991 Verify on NCES CCD record →
Teachers (FTE)
82.0
Federal CCD staff survey
Students per teacher
19.4:1
vs 21.5:1 California avg
-10% vs state
Free-lunch eligible
66.4%
vs 55.5% California avg
+20% vs state
Student-teacher ratio in context
How Rio Linda High compares with California and U.S. medians
What stands out at Rio Linda High
Rio Linda High is a higher-need, large high school in Rio Linda, California, enrolling 1,594 students.
Class sizes run a bit leaner than typical: 19.4:1 puts it in the smaller third of California schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 66.4% of students eligible for free meals.
By headcount it is one of the larger campuses in California, bigger than 94% of state schools at 1,594 students.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 381 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #145.
Its student body is led by Hispanic or Latino (51%) and White (19%), more mixed than most schools in the state (diversity index 67/100).
On the academic-pipeline side it reports 14 Advanced Placement courses.
Counselor coverage runs a bit thin, about 319 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 52.3% 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.
Twin Rivers Unified also operates Grant Union High (1,987 students) and Foothill High (1,417 students) alongside Rio Linda High.
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 Rio Linda High compares
Rio Linda High on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 19.4:1 | ▼ 10% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 66.4% | ▲ 20% | 55.5% | 51.7% |
| Enrollment | 1,594 | top 6% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
19.4:1
Leaner classes than 18% of US schools, heavier class loads than most.
1,594
Bigger than 97% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
66.4%
free-lunch eligible
- 20% 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
19.4:1
students per teacher
- 10% below state mean
Top 30% in California - lower ratio than 70% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
52.3%
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
Counselors5.0 FTE
Per 319 students, the combined health-and-guidance staffing load for this school.
Discipline context
8
in-school suspensions + 152 out-of-school
Suspension rate: 0.5 per 100 students. Combined in-school and out-of-school rate: 10.0 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 51.4%
White 18.8%
Asian 15.4%
African American 7.4%
Two or More 5.7%
Native Hawaiian / Pacific Islander 1.0%
American Indian / Alaska Native 0.4%
Largest group: Hispanic or Latino at 51.4% of enrollment.
Student-body diversity index 66.8/100
Simpson diversity index - at 66.8, Rio Linda High is more mixed than the California school average of 46.0.
Programs
AP courses offered 14
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Twin Rivers Unified, which includes Rio Linda High.
$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 Rio Linda High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Grant Union High | Similar size | Higher economic need | Higher S:T ratio |
| Foothill High | Similar size | Higher economic need | Higher S:T ratio |
| Smythe Academy of Arts and Sciences | Smaller | Higher economic need | Higher S:T ratio |
| Las Palmas Elementary | Smaller | Higher economic need | Higher S:T ratio |
| Woodridge Elementary | Smaller | Higher economic need | Higher S:T ratio |
Comparisons are relative to Rio Linda High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,987
- Students per teacher
- 20.9:1
- Resource Index
- 38/100
- Enrollment
- 1,417
- Students per teacher
- 26.2:1
- Resource Index
- 19/100
- Enrollment
- 1,091
- Students per teacher
- 23.7:1
- Resource Index
- 19/100
- Enrollment
- 1,001
- Students per teacher
- 25.7:1
- Resource Index
- 10/100
- Enrollment
- 814
- Students per teacher
- 28.1:1
- Resource Index
- 7/100
Similar high 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 (~1,594 students)
Similar student-teacher ratio (~19.4:1)
Next steps
Verify locally before acting on Rio Linda High's federal record.
- Compare Rio Linda High against another school. Compare schools
- Twin Rivers 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 Rio Linda High
How many students attend Rio Linda High?
Rio Linda High has 1,594 students enrolled. It is a high school in Rio Linda, CA.
What is the student-teacher ratio at Rio Linda High?
The student-teacher ratio at Rio Linda High is 19.4:1, which is 10% lower than the California average of 21.5:1 and 24% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Rio Linda High?
66.4% of students at Rio Linda High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Rio Linda High?
The largest demographic group at Rio Linda High is Hispanic or Latino at 51.4% of enrollment, in Rio Linda, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 66.8/100.
What is the Resource Investment Index for Rio Linda High?
Rio Linda High has a Resource Investment Index of 40/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Rio Linda High rank among public schools in Rio Linda?
By Resource Investment Index, Rio Linda High ranks #1 of 7 public schools in Rio Linda, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Rio Linda on the city page.
Is Rio Linda High a good school?
Rio Linda High earns 40/100 on the Resource Investment Index, with class sizes smaller than 70% 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 Twin Rivers Unified?
Besides Rio Linda High, Twin Rivers Unified also operates Grant Union High (1,987 students), Foothill High (1,417 students), and Smythe Academy of Arts and Sciences (1,091 students). See the Twin Rivers 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.