- Enrollment
- 3,067
- Students per teacher
- 24.5:1
- Resource Index
- 36/100
Middle school (grades 6-8) · San Marcos, CA
San Marcos Middle
Federal NCES profile for San Marcos Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 28/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 063488005894
👥 S:T ratio 14
🌟 Gifted program 70
🎓 Counselors 3
📋 Attendance 26
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
San Marcos Middle earns 28/100 on the Resource Investment Index, with class sizes near the California median.
- #4 of 4
- middle schools in San Marcos · Resource Index
- 28
- Resource Index · Lower
- 21.5:1
- students per teacher
- 60.8%
- free-lunch eligible
San Marcos Middle has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, San Marcos Middle ranks #4 of 4 middle schools in San Marcos, CA.
School address
District: San Marcos Unified · California
NCES ID 063488005894 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+56 students YoY
San Marcos Middle grew from 931 students in 2022-23 to 987 in 2023-24 (+6.0%).
Teacher FTE added 45.1 → 45.7 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+56 students YoY 063488005894 · San Marcos, CA Middle · MID · TRAD
968 enr · 21.5:1 · 60.8% lunch · RII 28
Nearest enrollment peer: San Marcos High (3,067 students)
San Marcos Middle grew from 931 students in 2022-23 to 987 in 2023-24 (+6.0%). Teacher FTE added 45.1 → 45.7 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
San Marcos Middle in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- San Marcos Hig
San Marcos High
3,067 students
- Mission Hills
Mission Hills High
2,751 students
- San Elijo Midd
San Elijo Middle
1,395 students
- Woodland Park 1,184
Woodland Park Middle
1,184 students
- Double Peak 1,171
Double Peak
1,171 students
- This school 968
San Marcos Middle
968 students
What this shows San Marcos Middle reports 968 students on the CCD universe file.
How San Marcos Middle compares
San Marcos Middle is a growing 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 | 21.5:1 | ▼ 0% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 60.8% | ▲ 10% | 55.5% | 51.7% |
| Enrollment | 968 | top 12% | - | - |
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.
968
Bigger than 91% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
60.8%
free-lunch eligible
- 10% 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
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
29.8%
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
$14,622
per pupil, district-wide
- below California avg of $18,665
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors2.0 FTE
Per 484 students, the combined health-and-guidance staffing load for this school.
Discipline context
51
in-school suspensions + 40 out-of-school
Suspension rate: 5.3 per 100 students. Combined in-school and out-of-school rate: 9.4 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 72.2%
White 14.9%
Asian 6.8%
Two or More 4.8%
African American 1.3%
Largest group: Hispanic or Latino at 72.2% of enrollment.
Student-body diversity index 44.9/100
Simpson diversity index - at 44.9, San Marcos Middle is about as mixed as the California school average of 46.0.
Programs
Gifted & talented Yes
District finance for San Marcos Unified reports $14,622 per pupil (NCES F-33) - open the district page for the full revenue mix.
How San Marcos Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| San Marcos High | Larger | Lower economic need | Higher S:T ratio |
| Mission Hills High | Larger | Lower economic need | Higher S:T ratio |
| San Elijo Middle | Larger | Lower economic need | Higher S:T ratio |
| Woodland Park Middle | Similar size | Lower economic need | Similar S:T ratio |
| Double Peak | Similar size | Lower economic need | Similar S:T ratio |
Comparisons are relative to San Marcos Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,751
- Students per teacher
- 25.7:1
- Resource Index
- 44/100
- Enrollment
- 1,395
- Students per teacher
- 23.6:1
- Resource Index
- 34/100
- Enrollment
- 1,184
- Students per teacher
- 21.9:1
- Resource Index
- 32/100
- Enrollment
- 1,171
- Students per teacher
- 21.7:1
- Resource Index
- 29/100
Similar middle schools in San Marcos
3 comparable middle schools (grades 6-8) serving the same city.
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 (~968 students)
Frequently asked questions about San Marcos Middle
How many students attend San Marcos Middle?
San Marcos Middle has 968 students enrolled. It is a middle school in San Marcos, CA. CCD year-over-year: 931 (2022-23) → 987 (2023-24), up 56.
What is the student-teacher ratio at San Marcos Middle?
The student-teacher ratio at San Marcos Middle 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 Marcos Middle?
60.8% of students at San Marcos Middle are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of San Marcos Middle?
The largest demographic group at San Marcos Middle is Hispanic or Latino at 72.2% of enrollment, in San Marcos, CA.
What is the Resource Investment Index for San Marcos Middle?
San Marcos Middle has a Resource Investment Index of 28/100 (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 Marcos Middle rank among middle schools in San Marcos?
By Resource Investment Index, San Marcos Middle ranks #4 of 4 middle schools in San Marcos, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in San Marcos on the city page.
What other schools are in San Marcos Unified?
Besides San Marcos Middle, San Marcos Unified also operates San Marcos High (3,067 students), Mission Hills High (2,751 students), and San Elijo Middle (1,395 students). See the San Marcos Unified district page for the complete list.