Enrollment
1,891
California · 2024-25 NCES data
High school (grades 9-12) · Sacramento, CA
Rio Americano High
Federal NCES profile for Rio Americano High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 063462005812
👥 S:T ratio 0
📚 AP courses 85
🌟 Gifted program 70
🎓 Counselors 16
📋 Attendance 20
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Rio Americano High earns 38/100 on the Resource Investment Index, with class sizes larger than 79% of California schools. It is also one of the largest schools in California.
- #28 of 31
- high schools in Sacramento · Resource Index
- 38
- Resource Index · Typical
- 24.9:1
- large classes for California
- 26.8%
- free-lunch eligible
Rio Americano High has class sizes larger than 79% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Rio Americano High ranks #28 of 31 high schools in Sacramento, CA.
School address
District: San Juan Unified · California
NCES ID 063462005812 Verify on NCES CCD record →
Teachers (FTE)
76.0
Federal CCD staff survey
Students per teacher
24.9:1
vs 21.5:1 California avg
+16% vs state
Free-lunch eligible
26.8%
vs 55.5% California avg
-52% vs state
Student-teacher ratio in context
How Rio Americano High compares with California and U.S. medians
What stands out at Rio Americano High
Rio Americano High is a large high school in Sacramento, California, enrolling 1,891 students.
Class loads run somewhat heavier than typical: 24.9:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 26.8% of students eligible for free meals.
By headcount it is one of the larger campuses in California, bigger than 96% of state schools at 1,891 students.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Among 300 similarly sized, similarly resourced-need California schools statewide, it ranks #238, in the lower tier once campus size and economic need are matched.
Its student body is led by White (58%) and Hispanic or Latino (18%) (diversity index 61/100).
On the academic-pipeline side it reports 17 Advanced Placement courses.
Counselor access is stretched at roughly 420 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 31.9% 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 Sacramento's high schools, it stands alongside C. K. Mcclatchy High (2,569 students): Rio Americano High is smaller than that campus by headcount and runs leaner classes (24.9:1 vs 28.9:1).
San Juan Unified also operates Bella Vista High (1,939 students) and Mira Loma High (1,655 students) alongside Rio Americano 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 Americano High compares
Rio Americano 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 | 24.9:1 | ▲ 16% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 26.8% | ▼ 52% | 55.5% | 51.7% |
| Enrollment | 1,891 | top 4% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
24.9:1
Leaner classes than 5% of US schools, heavier class loads than most.
1,891
Bigger than 98% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
26.8%
free-lunch eligible
- 52% 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
24.9:1
students per teacher
- 16% above state mean
Top 79% in California - lower ratio than 21% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
31.9%
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
$15,338
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
Counselors4.5 FTE
Per 420 students, the combined health-and-guidance staffing load for this school.
Discipline context
43
in-school suspensions + 57 out-of-school
Suspension rate: 2.3 per 100 students. Combined in-school and out-of-school rate: 5.3 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
White 57.6%
Hispanic or Latino 18.0%
Asian 12.7%
Two or More 7.7%
African American 3.5%
Native Hawaiian / Pacific Islander 0.4%
American Indian / Alaska Native 0.1%
Largest group: White at 57.6% of enrollment.
Student-body diversity index 61.3/100
Simpson diversity index - at 61.3, Rio Americano High is more mixed than the California school average of 46.0.
Programs
AP courses offered 17
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for San Juan Unified, which includes Rio Americano High.
$15,338
Per student
-7%
vs California
Avg $16,509
-8%
vs U.S.
Avg $16,593
Revenue mix
Local 31.7%
State 54.0%
Federal 14.3%
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 Americano High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Bella Vista High | Similar size | Similar economic need | Similar S:T ratio |
| Mira Loma High | Similar size | Higher economic need | Similar S:T ratio |
| Del Campo High | Similar size | Higher economic need | Lower S:T ratio |
| El Camino Fundamental High | Smaller | Higher economic need | Lower S:T ratio |
| Casa Roble Fundamental High | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Rio Americano High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,939
- Students per teacher
- 24.9:1
- Resource Index
- 28/100
- Enrollment
- 1,655
- Students per teacher
- 23.6:1
- Resource Index
- 34/100
- Enrollment
- 1,548
- Students per teacher
- 21.5:1
- Resource Index
- 28/100
- Enrollment
- 1,226
- Students per teacher
- 22.7:1
- Resource Index
- 32/100
- Enrollment
- 1,150
- Students per teacher
- 22.5:1
- Resource Index
- 28/100
Similar high schools in Sacramento
6 comparable high schools (grades 9-12) serving the same city.
C. K. Mcclatchy High
Standard public school
2,569 students 28.9:1 students per teacher
Sheldon High
Standard public school
2,368 students 21.7:1 students per teacher
Inderkum High
Standard public school
2,194 students 24.1:1 students per teacher
Grant Union High
Standard public school
1,987 students 20.9:1 students per teacher
Hiram W. Johnson High
Standard public school
1,682 students 20.8:1 students per teacher
Florin High
Standard public school
1,679 students 18.1:1 students per teacher
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 (~1,891 students)
Similar student-teacher ratio (~24.9:1)
Next steps
Verify locally before acting on Rio Americano High's federal record.
- Compare Rio Americano High against another school. Compare schools
- San Juan 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 Americano High
How many students attend Rio Americano High?
Rio Americano High has 1,891 students enrolled. It is a high school in Sacramento, CA.
What is the student-teacher ratio at Rio Americano High?
The student-teacher ratio at Rio Americano High is 24.9:1, which is 16% higher than the California average of 21.5:1 and 59% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Rio Americano High?
26.8% of students at Rio Americano High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Rio Americano High?
The largest demographic group at Rio Americano High is White at 57.6% of enrollment, in Sacramento, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 61.3/100.
What is the Resource Investment Index for Rio Americano High?
Rio Americano High has a Resource Investment Index of 38/100 (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 Americano High rank among high schools in Sacramento?
By Resource Investment Index, Rio Americano High ranks #28 of 31 high schools in Sacramento, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Sacramento on the city page.
Is Rio Americano High a good school?
Rio Americano High earns 38/100 on the Resource Investment Index, with class sizes larger than 79% of California schools. It is also one of the largest schools in California. 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 San Juan Unified?
Besides Rio Americano High, San Juan Unified also operates Bella Vista High (1,939 students), Mira Loma High (1,655 students), and Del Campo High (1,548 students). See the San Juan 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.