- Enrollment
- 1,288
- Students per teacher
- 17.6:1
- Resource Index
- 27/100
Other / mixed grade configuration · Douglas, AZ
Sarah Marley School
Federal NCES profile for Sarah Marley School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 10/100.
2024-25 NCES dataOther / mixed grade configurationNCES 040253000192
👥 S:T ratio 10
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Sarah Marley School earns 10/100 on the Resource Investment Index, with class sizes larger than 88% of Arizona schools. It is also less racially and ethnically mixed than most Arizona schools.
- #5 of 5
- schools in Douglas · Resource Index
- 10
- Resource Index · Lower
- 22.4:1
- large classes for Arizona
- 63.9%
- free-lunch eligible
Sarah Marley School has class sizes larger than 88% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Sarah Marley School ranks #5 of 5 schools in Douglas, AZ.
School address
District: Douglas Unified District (4174) · Arizona
NCES ID 040253000192 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+9 students YoY
Sarah Marley School held near 322 students from 2022-23 to 2023-24 (+9 headcount).
Teacher FTE added 13.0 → 14.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+9 students YoY 040253000192 · Douglas, AZ Other · SMALL · TRAD
291 enr · 22.4:1 · 63.9% lunch · RII 10
Nearest enrollment peer: Douglas High School (1,288 students)
Sarah Marley School held near 322 students from 2022-23 to 2023-24 (+9 headcount). Teacher FTE added 13.0 → 14.0 across the same CCD years. Read with this school → · District book → · Arizona schools → · Find another →
Sarah Marley School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Douglas High S
Douglas High School
1,288 students
- Joe Carlson El 410
Joe Carlson Elementary School
410 students
- Stevenson Elem 392
Stevenson Elementary School
392 students
- Paul H Huber J 381
Paul H Huber Jr High School
381 students
- Ray Borane Mid 361
Ray Borane Middle School
361 students
- This school 291
Sarah Marley School
291 students
What this shows Sarah Marley School reports 291 students on the CCD universe file.
How Sarah Marley School compares
Sarah Marley 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 | 22.4:1 | ▲ 32% | 17:1 | 15.7:1 |
| Free-lunch eligible | 63.9% | ▲ 32% | 48.3% | 51.7% |
| Enrollment | 291 | top 63% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
22.4:1
Leaner classes than 9% of US schools, heavier class loads than most.
291
Bigger than 31% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
63.9%
free-lunch eligible
- 32% above the Arizona average of 48.3%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
22.4:1
students per teacher
- 32% above state mean
Top 88% in Arizona - lower ratio than 12% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
77.0%
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
$11,157
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
Counselors0.3 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 1 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.3 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 99.0%
White 1.0%
Largest group: Hispanic or Latino at 99.0% of enrollment.
Student-body diversity index 2.0/100
Simpson diversity index - at 2.0, Sarah Marley School is less mixed than the Arizona school average of 47.2.
Programs
District finance for Douglas Unified District (4174) reports $11,157 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Sarah Marley School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Douglas High School | Larger | Similar economic need | Lower S:T ratio |
| Joe Carlson Elementary School | Larger | Higher economic need | Lower S:T ratio |
| Stevenson Elementary School | Larger | Similar economic need | Higher S:T ratio |
| Paul H Huber Jr High School | Larger | Similar economic need | Lower S:T ratio |
| Ray Borane Middle School | Similar size | Higher economic need | Lower S:T ratio |
Comparisons are relative to Sarah Marley School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 410
- Students per teacher
- 20.5:1
- Resource Index
- 22/100
- Enrollment
- 392
- Students per teacher
- 26.1:1
- Resource Index
- 23/100
- Enrollment
- 381
- Students per teacher
- 17.3:1
- Resource Index
- 31/100
- Enrollment
- 361
- Students per teacher
- 18.1:1
- Resource Index
- 31/100
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 (~291 students)
Similar student-teacher ratio (~22.4:1)
Frequently asked questions about Sarah Marley School
How many students attend Sarah Marley School?
Sarah Marley School has 291 students enrolled. It is a public school in Douglas, AZ. CCD year-over-year: 313 (2022-23) → 322 (2023-24), nearly flat (+9).
What is the student-teacher ratio at Sarah Marley School?
The student-teacher ratio at Sarah Marley School is 22.4:1, which is 32% higher than the Arizona average of 17:1 and 43% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Sarah Marley School?
63.9% of students at Sarah Marley School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Sarah Marley School?
The largest demographic group at Sarah Marley School is Hispanic or Latino at 99.0% of enrollment, in Douglas, AZ.
What is the Resource Investment Index for Sarah Marley School?
Sarah Marley School has a Resource Investment Index of 10/100 (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 Sarah Marley School rank among schools in Douglas?
By Resource Investment Index, Sarah Marley School ranks #5 of 5 schools in Douglas, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Douglas on the city page.
What other schools are in Douglas Unified District (4174)?
Besides Sarah Marley School, Douglas Unified District (4174) also operates Douglas High School (1,288 students), Joe Carlson Elementary School (410 students), and Stevenson Elementary School (392 students). See the Douglas Unified District (4174) district page for the complete list.