Enrollment
860
California · 2024-25 NCES data
High school (grades 9-12) · Lake Arrowhead, CA
Rim of the World Senior High
Federal NCES profile for Rim of the World Senior High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 32/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 063261005074
👥 S:T ratio 18
📚 AP courses 70
🌟 Gifted program 30
🎓 Counselors 43
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Rim of the World Senior High earns 32/100 on the Resource Investment Index, with class sizes near the California median.
- #2 of 5
- public schools in Lake Arrowhead · Resource Index
- 32
- Resource Index · Typical
- 20.5:1
- students per teacher
- 46.3%
- free-lunch eligible
Rim of the World Senior High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Rim of the World Senior High ranks #2 of 5 public schools in Lake Arrowhead, CA.
School address
District: Rim of the World Unified · California
NCES ID 063261005074 Verify on NCES CCD record →
Teachers (FTE)
42.0
Federal CCD staff survey
Students per teacher
20.5:1
vs 21.5:1 California avg
-5% vs state
Free-lunch eligible
46.3%
vs 55.5% California avg
-17% vs state
Student-teacher ratio in context
How Rim of the World Senior High compares with California and U.S. medians
What stands out at Rim of the World Senior High
Rim of the World Senior High is a large high school in Lake Arrowhead, California, enrolling 860 students.
Class sizes run a bit leaner than typical: 20.5:1 puts it in the smaller third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 46.3% of students eligible for free meals.
Enrollment of 860 puts it in the larger third of California schools by headcount.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Against 1,030 statewide peers matched on enrollment and economic need, it ranks mid-pack at #691.
Its student body is led by White (51%) and Hispanic or Latino (45%) (diversity index 54/100).
On the academic-pipeline side it reports 14 Advanced Placement courses.
Counselor coverage runs a bit thin, about 287 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 45.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 17.6% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Lake Arrowhead's high schools, it stands alongside Mountain High (44 students): Rim of the World Senior High is larger than that campus by headcount and runs heavier classes (20.5:1 vs 14.7:1).
Rim of the World Unified also operates Mary P. Henck Intermediate (607 students) and Valley of Enchantment Elementary (536 students) alongside Rim of the World Senior 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 Rim of the World Senior High compares
Rim of the World Senior 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 | 20.5:1 | ▼ 5% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 46.3% | ▼ 17% | 55.5% | 51.7% |
| Enrollment | 860 | top 15% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
20.5:1
Leaner classes than 14% of US schools, heavier class loads than most.
860
Bigger than 88% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
46.3%
free-lunch eligible
- 17% below the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
20.5:1
students per teacher
- 5% below state mean
Top 39% in California - lower ratio than 61% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
45.7%
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
$15,417
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
Counselors3.0 FTE
Per 287 students, the combined health-and-guidance staffing load for this school.
Discipline context
91
in-school suspensions + 68 out-of-school
Suspension rate: 10.6 per 100 students. Combined in-school and out-of-school rate: 18.5 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
White 51.1%
Hispanic or Latino 44.8%
Two or More 2.3%
Asian 0.8%
American Indian / Alaska Native 0.5%
African American 0.4%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 51.1% of enrollment.
Student-body diversity index 53.8/100
Simpson diversity index - at 53.8, Rim of the World Senior High is more mixed than the California school average of 46.0.
Programs
AP courses offered 14
Funding & spending
District-wide per-pupil expenditure for Rim of the World Unified, which includes Rim of the World Senior High.
$15,417
Per student
-7%
vs California
Avg $16,509
-7%
vs U.S.
Avg $16,593
Revenue mix
Local 36.2%
State 46.2%
Federal 17.6%
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 Rim of the World Senior High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mary P. Henck Intermediate | Smaller | Similar economic need | Higher S:T ratio |
| Valley of Enchantment Elementary | Smaller | Higher economic need | Higher S:T ratio |
| Lake Arrowhead Elementary | Smaller | Similar economic need | Higher S:T ratio |
| Charles Hoffman Elementary | Smaller | Similar economic need | Higher S:T ratio |
| Rim Virtual Academy | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Rim of the World Senior High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 607
- Students per teacher
- 25.3:1
- Resource Index
- 19/100
- Enrollment
- 536
- Students per teacher
- 23.3:1
- Resource Index
- 12/100
- Enrollment
- 450
- Students per teacher
- 28.1:1
- Resource Index
- 10/100
- Enrollment
- 297
- Students per teacher
- 24.8:1
- Resource Index
- 15/100
- Enrollment
- 80
- Students per teacher
- 40:1
- Resource Index
- 7/100
Similar high schools in Lake Arrowhead
1 comparable high schools (grades 9-12) serving the same city.
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 (~860 students)
Next steps
Verify locally before acting on Rim of the World Senior High's federal record.
- Compare Rim of the World Senior High against another school. Compare schools
- Rim of the World 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 Rim of the World Senior High
How many students attend Rim of the World Senior High?
Rim of the World Senior High has 860 students enrolled. It is a high school in Lake Arrowhead, CA.
What is the student-teacher ratio at Rim of the World Senior High?
The student-teacher ratio at Rim of the World Senior High is 20.5:1, which is 5% lower than the California average of 21.5:1 and 31% 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 Rim of the World Senior High?
46.3% of students at Rim of the World Senior High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Rim of the World Senior High?
The largest demographic group at Rim of the World Senior High is White at 51.1% of enrollment, in Lake Arrowhead, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 53.8/100.
What is the Resource Investment Index for Rim of the World Senior High?
Rim of the World Senior High has a Resource Investment Index of 32/100 (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 Rim of the World Senior High rank among public schools in Lake Arrowhead?
By Resource Investment Index, Rim of the World Senior High ranks #2 of 5 public schools in Lake Arrowhead, 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 Lake Arrowhead on the city page.
Is Rim of the World Senior High a good school?
Rim of the World Senior High earns 32/100 on the Resource Investment Index, with class sizes near the California median. 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 Rim of the World Unified?
Besides Rim of the World Senior High, Rim of the World Unified also operates Mary P. Henck Intermediate (607 students), Valley of Enchantment Elementary (536 students), and Lake Arrowhead Elementary (450 students). See the Rim of the World 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.