Enrollment
581
California · 2024-25 NCES data
Middle school (grades 6-8) · San Bernardino, CA
Martin Luther King Jr. Middle
Federal NCES profile for Martin Luther King Jr. Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 50/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 063417008185
👥 S:T ratio 22
🌟 Gifted program 70
🎓 Counselors 61
📋 Attendance 48
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Martin Luther King Jr. Middle earns 50/100 on the Resource Investment Index, with class sizes smaller than 70% of California schools. It is also less racially and ethnically mixed than most California schools.
- #1 of 9
- middle schools in San Bernardino · Resource Index
- 50
- Resource Index · Higher
- 19.4:1
- small classes for California
- 88.5%
- free-lunch eligible
Martin Luther King Jr. Middle has class sizes smaller than 70% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Martin Luther King Jr. Middle ranks #1 of 9 middle schools in San Bernardino, CA.
School address
District: San Bernardino City Unified · California
NCES ID 063417008185 Verify on NCES CCD record →
Teachers (FTE)
30.0
Federal CCD staff survey
Students per teacher
19.4:1
vs 21.5:1 California avg
-10% vs state
Free-lunch eligible
88.5%
vs 55.5% California avg
+59% vs state
Student-teacher ratio in context
How Martin Luther King Jr. Middle compares with California and U.S. medians
What stands out at Martin Luther King Jr. Middle
Martin Luther King Jr. Middle is a high-poverty, mid-sized middle school in San Bernardino, California, enrolling 581 students.
Class sizes run a bit leaner than typical: 19.4:1 puts it in the smaller third of California schools by student-teacher ratio.
Economic need is high: 88.5% of students qualify for free meals, 59% above the California average, a Title I-weighted population that federal funding formulas prioritise.
Enrollment of 581 puts it in the larger third of California schools by headcount.
Its Resource Investment Index outscores 92% of the 9,998 California schools with a score on record, a top-tier result on this measure.
Among 1,577 similarly sized, similarly resourced-need California schools statewide, it ranks #13, a top-tier result once campus size and economic need are matched.
Its student body is predominantly Hispanic or Latino (90% of enrollment), among the less diverse in the state (diversity index 19/100).
Counselor coverage is strong, about 194 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 20.8% of students chronically absent per the 2021-22 civil-rights collection.
Its district draws 16.3% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
The federal civil-rights collection also records 2 expulsions at this campus for 2021-22.
Among San Bernardino's middle schools, it stands alongside Cesar E. Chavez Middle (1,107 students): Martin Luther King Jr. Middle is smaller than that campus by headcount and runs leaner classes (19.4:1 vs 23.1:1).
San Bernardino City Unified also operates Cajon High (2,748 students) and Arroyo Valley High (2,692 students) alongside Martin Luther King Jr. Middle.
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 Martin Luther King Jr. Middle compares
Martin Luther King Jr. Middle on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 19.4:1 | ▼ 10% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 88.5% | ▲ 59% | 55.5% | 51.7% |
| Enrollment | 581 | top 34% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
19.4:1
Leaner classes than 18% of US schools, heavier class loads than most.
581
Bigger than 71% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
88.5%
free-lunch eligible
- 59% 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
19.4:1
students per teacher
- 10% below state mean
Top 30% in California - lower ratio than 70% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
20.8%
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
$18,063
per pupil, district-wide
- above California avg of $16,509
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors3.0 FTE
Per 194 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 29 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 5.0 per 100 students. Reported via the Civil Rights Data Collection. Includes 2 expulsions.
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
Hispanic or Latino 89.7%
African American 6.0%
Two or More 1.4%
White 1.2%
Asian 0.7%
Native Hawaiian / Pacific Islander 0.7%
American Indian / Alaska Native 0.3%
Largest group: Hispanic or Latino at 89.7% of enrollment.
Student-body diversity index 19.1/100
Simpson diversity index - at 19.1, Martin Luther King Jr. Middle is less mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for San Bernardino City Unified, which includes Martin Luther King Jr. Middle.
$18,063
Per student
+9%
vs California
Avg $16,509
+9%
vs U.S.
Avg $16,593
Revenue mix
Local 11.5%
State 72.3%
Federal 16.3%
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 Martin Luther King Jr. Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Cajon High | Larger | Lower economic need | Higher S:T ratio |
| Arroyo Valley High | Larger | Similar economic need | Higher S:T ratio |
| Indian Springs High | Larger | Similar economic need | Higher S:T ratio |
| San Bernardino High | Larger | Similar economic need | Similar S:T ratio |
| San Gorgonio High | Larger | Lower economic need | Similar S:T ratio |
Comparisons are relative to Martin Luther King Jr. Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,748
- Students per teacher
- 24.8:1
- Resource Index
- 30/100
- Enrollment
- 2,692
- Students per teacher
- 23.4:1
- Resource Index
- 39/100
- Enrollment
- 1,810
- Students per teacher
- 21.8:1
- Resource Index
- 31/100
- Enrollment
- 1,440
- Students per teacher
- 19.7:1
- Resource Index
- 33/100
- Enrollment
- 1,431
- Students per teacher
- 18.6:1
- Resource Index
- 39/100
Similar middle schools in San Bernardino
6 comparable middle schools (grades 6-8) serving the same city.
Cesar E. Chavez Middle
Standard public school
1,107 students 23.1:1 students per teacher
Arrowview Middle
Standard public school
917 students 19.9:1 students per teacher
Golden Valley Middle
Standard public school
742 students 20.1:1 students per teacher
Shandin Hills Middle
Standard public school
709 students 18.2:1 students per teacher
Curtis Middle
Standard public school
679 students 21.9:1 students per teacher
Del Vallejo Middle
Standard public school
642 students 18.9:1 students per teacher
Similar middle 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 (~581 students)
Next steps
Verify locally before acting on Martin Luther King Jr. Middle's federal record.
- Compare Martin Luther King Jr. Middle against another school. Compare schools
- San Bernardino City 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 Martin Luther King Jr. Middle
How many students attend Martin Luther King Jr. Middle?
Martin Luther King Jr. Middle has 581 students enrolled. It is a middle school in San Bernardino, CA.
What is the student-teacher ratio at Martin Luther King Jr. Middle?
The student-teacher ratio at Martin Luther King Jr. Middle is 19.4:1, which is 10% 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 Martin Luther King Jr. Middle?
88.5% of students at Martin Luther King Jr. Middle are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Martin Luther King Jr. Middle?
The largest demographic group at Martin Luther King Jr. Middle is Hispanic or Latino at 89.7% of enrollment, in San Bernardino, CA.
What is the Resource Investment Index for Martin Luther King Jr. Middle?
Martin Luther King Jr. Middle has a Resource Investment Index of 50/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Martin Luther King Jr. Middle rank among middle schools in San Bernardino?
By Resource Investment Index, Martin Luther King Jr. Middle ranks #1 of 9 middle schools in San Bernardino, 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 Bernardino on the city page.
Is Martin Luther King Jr. Middle a good school?
Martin Luther King Jr. Middle earns 50/100 on the Resource Investment Index, with class sizes smaller than 70% of California schools. It is also less racially and ethnically mixed than most California schools. 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 San Bernardino City Unified?
Besides Martin Luther King Jr. Middle, San Bernardino City Unified also operates Cajon High (2,748 students), Arroyo Valley High (2,692 students), and Indian Springs High (1,810 students). See the San Bernardino City 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.