- Enrollment
- 2,485
- Students per teacher
- 25.9:1
- Resource Index
- 21/100
Middle school (grades 6-8) · San Diego, CA
Knox Middle
Federal NCES profile for Knox Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 14/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 063432012892
👥 S:T ratio 22
🌟 Gifted program 30
🎓 Counselors 2
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Knox Middle earns 14/100 on the Resource Investment Index, with class sizes near the California median.
- #37 of 37
- middle schools in San Diego · Resource Index
- 14
- Resource Index · Lower
- 19.5:1
- students per teacher
- 85.1%
- free-lunch eligible
Knox Middle has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Knox Middle ranks #37 of 37 middle schools in San Diego, CA.
School address
District: San Diego Unified · California
NCES ID 063432012892 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+18 students YoY
Knox Middle held near 502 students from 2022-23 to 2023-24 (+18 headcount).
Teacher FTE lost 25.4 → 25.1 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+18 students YoY 063432012892 · San Diego, CA Middle · SMALL · TRAD
488 enr · 19.5:1 · 85.1% lunch · RII 14
Nearest enrollment peer: Henry High (2,485 students)
Knox Middle held near 502 students from 2022-23 to 2023-24 (+18 headcount). Teacher FTE lost 25.4 → 25.1 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Knox Middle in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Henry High
Henry High
2,485 students
- Mira Mesa High
Mira Mesa High
2,187 students
- Hoover High
Hoover High
2,011 students
- Scripps Ranch
Scripps Ranch High
1,890 students
- Point Loma Hig
Point Loma High
1,724 students
- This school 488
Knox Middle
488 students
What this shows Knox Middle reports 488 students on the CCD universe file.
How Knox Middle compares
Knox Middle 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 | 19.5:1 | ▼ 9% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 85.1% | ▲ 53% | 55.5% | 51.7% |
| Enrollment | 488 | top 47% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
19.5:1
Leaner classes than 18% of US schools, heavier class loads than most.
488
Bigger than 60% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
85.1%
free-lunch eligible
- 53% above the California average of 55.5%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
19.5:1
students per teacher
- 9% below state mean
Top 31% in California - lower ratio than 69% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
61.9%
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
$20,783
per pupil, district-wide
- above California avg of $18,665
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 488 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 35 out-of-school
Suspension rate: 0.2 per 100 students. Combined in-school and out-of-school rate: 7.4 per 100 students. Reported via the Civil Rights Data Collection. Includes 2 expulsions.
Student demographics
Hispanic or Latino 72.7%
African American 16.4%
Asian 5.1%
Two or More 2.9%
Native Hawaiian / Pacific Islander 1.2%
White 1.0%
American Indian / Alaska Native 0.6%
Largest group: Hispanic or Latino at 72.7% of enrollment.
Student-body diversity index 44.1/100
Simpson diversity index - at 44.1, Knox Middle is about as mixed as the California school average of 46.0.
Programs
District finance for San Diego Unified reports $20,783 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Knox Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Henry High | Larger | Lower economic need | Higher S:T ratio |
| Mira Mesa High | Larger | Lower economic need | Higher S:T ratio |
| Hoover High | Larger | Similar economic need | Similar S:T ratio |
| Scripps Ranch High | Larger | Lower economic need | Higher S:T ratio |
| Point Loma High | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Knox Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,187
- Students per teacher
- 24.9:1
- Resource Index
- 38/100
- Enrollment
- 2,011
- Students per teacher
- 20.5:1
- Resource Index
- 12/100
- Enrollment
- 1,890
- Students per teacher
- 27:1
- Resource Index
- 45/100
- Enrollment
- 1,724
- Students per teacher
- 26.1:1
- Resource Index
- 24/100
Similar middle schools in San Diego
6 comparable middle schools (grades 6-8) serving the same city.
Oak Valley Middle
Standard public school
1,503 students 24.6:1 students per teacher
Bernardo Heights Middle
Standard public school
1,487 students 24.4:1 students per teacher
Marshall Middle
Standard public school
1,390 students 27.3:1 students per teacher
Mesa Verde Middle
Standard public school
1,178 students 28.7:1 students per teacher
Black Mountain Middle
Standard public school
1,077 students 22.9:1 students per teacher
Lewis Middle
Standard public school
1,013 students 25.3:1 students per teacher
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 (~488 students)
Frequently asked questions about Knox Middle
How many students attend Knox Middle?
Knox Middle has 488 students enrolled. It is a middle school in San Diego, CA. CCD year-over-year: 484 (2022-23) → 502 (2023-24), nearly flat (+18).
What is the student-teacher ratio at Knox Middle?
The student-teacher ratio at Knox Middle is 19.5:1, which is 9% lower than the California average of 21.5:1 and 24% 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 Knox Middle?
85.1% of students at Knox Middle are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Knox Middle?
The largest demographic group at Knox Middle is Hispanic or Latino at 72.7% of enrollment, in San Diego, CA.
What is the Resource Investment Index for Knox Middle?
Knox Middle has a Resource Investment Index of 14/100 (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 Knox Middle rank among middle schools in San Diego?
By Resource Investment Index, Knox Middle ranks #37 of 37 middle schools in San Diego, 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 Diego on the city page.
What other schools are in San Diego Unified?
Besides Knox Middle, San Diego Unified also operates Henry High (2,485 students), Mira Mesa High (2,187 students), and Hoover High (2,011 students). See the San Diego Unified district page for the complete list.