- Enrollment
- 1,678
- Students per teacher
- 21.5:1
- Resource Index
- 24/100
Middle school (grades 6-8) · Los Osos, CA
Los Osos Middle
Federal NCES profile for Los Osos Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 19/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 063480005873
👥 S:T ratio 27
🌟 Gifted program 30
🎓 Counselors 1
📋 Attendance 18
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Los Osos Middle earns 19/100 on the Resource Investment Index, even as it posts class sizes smaller than 77% of California schools.
- #3 of 3
- public schools in Los Osos · Resource Index
- 19
- Resource Index · Lower
- 18.3:1
- small classes for California
- 38.2%
- free-lunch eligible
Los Osos Middle has class sizes smaller than 77% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Los Osos Middle ranks #3 of 3 public schools in Los Osos, CA.
School address
District: San Luis Coastal Unified · California
NCES ID 063480005873 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-53 students YoY
Los Osos Middle shrank from 539 students in 2022-23 to 486 in 2023-24 (-9.8%).
Teacher FTE added 27.3 → 27.9 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-53 students YoY 063480005873 · Los Osos, CA Middle · SMALL · TRAD
494 enr · 18.3:1 · 38.2% lunch · RII 19
Nearest enrollment peer: San Luis Obispo High (1,678 students)
Los Osos Middle shrank from 539 students in 2022-23 to 486 in 2023-24 (-9.8%). Teacher FTE added 27.3 → 27.9 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Los Osos Middle in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- San Luis Obisp
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
- This school 494
Los Osos Middle
494 students
What this shows Los Osos Middle reports 494 students on the CCD universe file.
How Los Osos Middle compares
Los Osos Middle is a shrinking campus on CCD: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.3:1 | ▼ 15% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 38.2% | ▼ 31% | 55.5% | 51.7% |
| Enrollment | 494 | top 46% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.3:1
Leaner classes than 23% of US schools, heavier class loads than most.
494
Bigger than 61% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
38.2%
free-lunch eligible
- 31% 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
18.3:1
students per teacher
- 15% below state mean
Top 23% in California - lower ratio than 77% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
32.6%
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
Counselors1.0 FTE
Per 494 students, the combined health-and-guidance staffing load for this school.
Discipline context
4
in-school suspensions + 20 out-of-school
Suspension rate: 0.8 per 100 students. Combined in-school and out-of-school rate: 4.9 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 61.7%
Hispanic or Latino 23.5%
Two or More 7.9%
Asian 6.1%
African American 0.4%
American Indian / Alaska Native 0.4%
Largest group: White at 61.7% of enrollment.
Student-body diversity index 55.4/100
Simpson diversity index - at 55.4, Los Osos Middle is more mixed than the California school average of 46.0.
Programs
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 Los Osos Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| San Luis Obispo High | Larger | Lower economic need | Higher S:T ratio |
| Laguna Middle | Larger | Lower economic need | Higher S:T ratio |
| Morro Bay High | Larger | Similar economic need | Lower S:T ratio |
| C L Smith Elementary | Similar size | Similar economic need | Higher S:T ratio |
| Los Ranchos Elementary | Similar size | Lower economic need | Higher S:T ratio |
Comparisons are relative to Los Osos Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 780
- Students per teacher
- 20:1
- Resource Index
- 27/100
- 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
Nationwide middle 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 (~494 students)
Similar student-teacher ratio (~18.3:1)
Frequently asked questions about Los Osos Middle
How many students attend Los Osos Middle?
Los Osos Middle has 494 students enrolled. It is a middle school in Los Osos, CA. CCD year-over-year: 539 (2022-23) → 486 (2023-24), down 53.
What is the student-teacher ratio at Los Osos Middle?
The student-teacher ratio at Los Osos Middle is 18.3:1, which is 15% lower than the California average of 21.5:1 and 17% 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 Los Osos Middle?
38.2% of students at Los Osos Middle are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Los Osos Middle?
The largest demographic group at Los Osos Middle is White at 61.7% of enrollment, in Los Osos, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 55.4/100.
What is the Resource Investment Index for Los Osos Middle?
Los Osos Middle has a Resource Investment Index of 19/100 (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 Los Osos Middle rank among public schools in Los Osos?
By Resource Investment Index, Los Osos Middle ranks #3 of 3 public schools in Los Osos, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking.
What other schools are in San Luis Coastal Unified?
Besides Los Osos Middle, San Luis Coastal Unified also operates San Luis Obispo High (1,678 students), Laguna Middle (780 students), and Morro Bay High (751 students). See the San Luis Coastal Unified district page for the complete list.