- Enrollment
- 3,444
- Students per teacher
- 19.3:1
- Resource Index
- 25/100
Other / mixed grade configuration · Chandler, AZ
San Marcos Elementary School
Federal NCES profile for San Marcos Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 30/100.
2024-25 NCES dataOther / mixed grade configurationNCES 040187000125
👥 S:T ratio 57
🌟 Gifted program 30
🎓 Counselors 31
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
San Marcos Elementary School earns 30/100 on the Resource Investment Index, even as it posts class sizes smaller than 90% of Arizona schools.
- #10 of 44
- schools in Chandler · Resource Index
- 30
- Resource Index · Lower
- 10.7:1
- small classes for Arizona
- 75.7%
- free-lunch eligible
San Marcos Elementary School has class sizes smaller than 90% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, San Marcos Elementary School ranks #10 of 44 schools in Chandler, AZ.
School address
District: Chandler Unified District #80 (4242) · Arizona
NCES ID 040187000125 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+0 students YoY
San Marcos Elementary School held near 371 students from 2022-23 to 2023-24 (+0 headcount).
Teacher FTE lost 32.6 → 29.8 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+0 students YoY 040187000125 · Chandler, AZ Other · SMALL · TRAD
343 enr · 10.7:1 · 75.7% lunch · RII 30
Nearest enrollment peer: Hamilton High School (3,444 students)
San Marcos Elementary School held near 371 students from 2022-23 to 2023-24 (+0 headcount). Teacher FTE lost 32.6 → 29.8 across the same CCD years. Read with this school → · District book → · Arizona schools → · Find another →
San Marcos Elementary School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Hamilton High
Hamilton High School
3,444 students
- Chandler High
Chandler High School
3,179 students
- Basha High Sch
Basha High School
2,826 students
- Dr. Camille Ca
Dr. Camille Casteel High School
2,816 students
- Perry High Sch
Perry High School
2,373 students
- This school 343
San Marcos Elementary School
343 students
What this shows San Marcos Elementary School reports 343 students on the CCD universe file.
How San Marcos Elementary School compares
San Marcos Elementary School held steady on CCD headcount: ratios and free-lunch share vs Arizona and U.S. means.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.7:1 | ▼ 37% | 17:1 | 15.7:1 |
| Free-lunch eligible | 75.7% | ▲ 57% | 48.3% | 51.7% |
| Enrollment | 343 | top 58% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.7:1
Leaner classes than 85% of US schools, among the more generously staffed nationally.
343
Bigger than 39% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
75.7%
free-lunch eligible
- 57% above the Arizona average of 48.3%
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
10.7:1
students per teacher
- 37% below state mean
Top 10% in Arizona - lower ratio than 90% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
52.2%
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
$11,085
per pupil, district-wide
- below Arizona avg of $13,502
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 343 students, the combined health-and-guidance staffing load for this school.
Discipline context
83
in-school suspensions + 54 out-of-school
Suspension rate: 24.2 per 100 students. Combined in-school and out-of-school rate: 39.9 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 80.8%
African American 8.7%
White 4.1%
American Indian / Alaska Native 3.2%
Asian 1.5%
Native Hawaiian / Pacific Islander 0.9%
Two or More 0.9%
Largest group: Hispanic or Latino at 80.8% of enrollment.
Student-body diversity index 33.6/100
Simpson diversity index - at 33.6, San Marcos Elementary School is less mixed than the Arizona school average of 47.2.
Programs
District finance for Chandler Unified District #80 (4242) reports $11,085 per pupil (NCES F-33) - open the district page for the full revenue mix.
How San Marcos Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Hamilton High School | Larger | Lower economic need | Higher S:T ratio |
| Chandler High School | Larger | Lower economic need | Higher S:T ratio |
| Basha High School | Larger | Lower economic need | Higher S:T ratio |
| Dr. Camille Casteel High School | Larger | Lower economic need | Higher S:T ratio |
| Perry High School | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to San Marcos Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,179
- Students per teacher
- 16.6:1
- Resource Index
- 25/100
- Enrollment
- 2,826
- Students per teacher
- 20.9:1
- Resource Index
- 18/100
- Enrollment
- 2,816
- Students per teacher
- 18.6:1
- Resource Index
- 24/100
- Enrollment
- 2,373
- Students per teacher
- 16.9:1
- Resource Index
- 34/100
Similar other schools in Chandler
1 comparable other schools (grades Mixed) serving the same city.
Nationwide other 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 (~343 students)
Frequently asked questions about San Marcos Elementary School
How many students attend San Marcos Elementary School?
San Marcos Elementary School has 343 students enrolled. It is a public school in Chandler, AZ. CCD year-over-year: 371 (2022-23) → 371 (2023-24), nearly flat (+0).
What is the student-teacher ratio at San Marcos Elementary School?
The student-teacher ratio at San Marcos Elementary School is 10.7:1, which is 37% lower than the Arizona average of 17:1 and 32% lower 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 San Marcos Elementary School?
75.7% of students at San Marcos Elementary School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of San Marcos Elementary School?
The largest demographic group at San Marcos Elementary School is Hispanic or Latino at 80.8% of enrollment, in Chandler, AZ.
What is the Resource Investment Index for San Marcos Elementary School?
San Marcos Elementary School has a Resource Investment Index of 30/100 (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 Elementary School rank among schools in Chandler?
By Resource Investment Index, San Marcos Elementary School ranks #10 of 44 schools in Chandler, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Chandler on the city page.
What other schools are in Chandler Unified District #80 (4242)?
Besides San Marcos Elementary School, Chandler Unified District #80 (4242) also operates Hamilton High School (3,444 students), Chandler High School (3,179 students), and Basha High School (2,826 students). See the Chandler Unified District #80 (4242) district page for the complete list.