- Enrollment
- 780
- Students per teacher
- 20:1
- Resource Index
- 27/100
High school (grades 9-12) · San Luis Obispo, CA
San Luis Obispo High
Federal NCES profile for San Luis Obispo High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 24/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 063480005880
👥 S:T ratio 14
🌟 Gifted program 30
🎓 Counselors 16
📋 Attendance 37
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
San Luis Obispo High earns 24/100 on the Resource Investment Index, with class sizes near the California median. It is also one of the largest schools in California.
- #3 of 3
- high schools in San Luis Obispo · Resource Index
- 24
- Resource Index · Lower
- 21.5:1
- students per teacher
- 24.8%
- free-lunch eligible
San Luis Obispo High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, San Luis Obispo High ranks #3 of 3 high schools in San Luis Obispo, CA.
School address
District: San Luis Coastal Unified · California
NCES ID 063480005880 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+6 students YoY
San Luis Obispo High held near 1,650 students from 2022-23 to 2023-24 (+6 headcount).
Teacher FTE lost 78.5 → 78.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+6 students YoY 063480005880 · San Luis Obispo, CA High · MID · TRAD
1,678 enr · 21.5:1 · 24.8% lunch · RII 24
Nearest enrollment peer: Laguna Middle (780 students)
San Luis Obispo High held near 1,650 students from 2022-23 to 2023-24 (+6 headcount). Teacher FTE lost 78.5 → 78.0 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
San Luis Obispo High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
San Luis Obispo High
1,678 students
- Laguna Middle
Laguna Middle
780 students
- Morro Bay High
Morro Bay High
751 students
- C L Smith Elem 528
C L Smith Elementary
528 students
- Los Ranchos El 521
Los Ranchos Elementary
521 students
- Los Osos Middl 494
Los Osos Middle
494 students
What this shows San Luis Obispo High reports 1,678 students on the CCD universe file.
How San Luis Obispo High compares
San Luis Obispo High held steady on CCD headcount: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21.5:1 | ▼ 0% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 24.8% | ▼ 55% | 55.5% | 51.7% |
| Enrollment | 1,678 | top 5% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
21.5:1
Leaner classes than 12% of US schools, heavier class loads than most.
1,678
Bigger than 97% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
24.8%
free-lunch eligible
- 55% below the California average of 55.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
21.5:1
students per teacher
- 0% above state mean
Top 48% in California - lower ratio than 52% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
25.2%
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
$18,117
per pupil, district-wide
- below California avg of $18,665
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors4.0 FTE
Per 420 students, the combined health-and-guidance staffing load for this school.
Discipline context
7
in-school suspensions + 67 out-of-school
Suspension rate: 0.4 per 100 students. Combined in-school and out-of-school rate: 4.4 per 100 students. Reported via the Civil Rights Data Collection. Includes 3 expulsions.
Student demographics
White 56.5%
Hispanic or Latino 31.3%
Two or More 6.4%
Asian 4.3%
African American 1.1%
American Indian / Alaska Native 0.2%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 56.5% of enrollment.
Student-body diversity index 57.7/100
Simpson diversity index - at 57.7, San Luis Obispo High is more mixed than the California school average of 46.0.
Programs
AP courses offered 16
District finance for San Luis Coastal Unified reports $18,117 per pupil (NCES F-33) - open the district page for the full revenue mix.
How San Luis Obispo High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Laguna Middle | Smaller | Similar economic need | Lower S:T ratio |
| Morro Bay High | Smaller | Similar economic need | Lower S:T ratio |
| C L Smith Elementary | Smaller | Higher economic need | Higher S:T ratio |
| Los Ranchos Elementary | Smaller | Similar economic need | Higher S:T ratio |
| Los Osos Middle | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to San Luis Obispo High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 751
- Students per teacher
- 16.7:1
- Resource Index
- 24/100
- Enrollment
- 528
- Students per teacher
- 24:1
- Resource Index
- 16/100
- Enrollment
- 521
- Students per teacher
- 27.4:1
- Resource Index
- 22/100
- Enrollment
- 494
- Students per teacher
- 18.3:1
- Resource Index
- 19/100
Similar high schools in San Luis Obispo
2 comparable high schools (grades 9-12) serving the same city.
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~1,678 students)
Frequently asked questions about San Luis Obispo High
How many students attend San Luis Obispo High?
San Luis Obispo High has 1,678 students enrolled. It is a high school in San Luis Obispo, CA. CCD year-over-year: 1,644 (2022-23) → 1,650 (2023-24), nearly flat (+6).
What is the student-teacher ratio at San Luis Obispo High?
The student-teacher ratio at San Luis Obispo High is 21.5:1, which is 0% higher than the California average of 21.5:1 and 37% higher than the national average of 15.7:1.
What percentage of students receive free lunch at San Luis Obispo High?
24.8% of students at San Luis Obispo High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of San Luis Obispo High?
The largest demographic group at San Luis Obispo High is White at 56.5% of enrollment, in San Luis Obispo, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 57.7/100.
What is the Resource Investment Index for San Luis Obispo High?
San Luis Obispo High has a Resource Investment Index of 24/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does San Luis Obispo High rank among high schools in San Luis Obispo?
By Resource Investment Index, San Luis Obispo High ranks #3 of 3 high schools in San Luis Obispo, 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 San Luis Obispo on the city page.
What other schools are in San Luis Coastal Unified?
Besides San Luis Obispo High, San Luis Coastal Unified also operates Laguna Middle (780 students), Morro Bay High (751 students), and C L Smith Elementary (528 students). See the San Luis Coastal Unified district page for the complete list.