Enrollment
291
Arizona · 2024-25 NCES data
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 →
Teachers (FTE)
13.0
Federal CCD staff survey
Students per teacher
22.4:1
vs 17:1 Arizona avg
+32% vs state
Free-lunch eligible
63.9%
vs 48.3% Arizona avg
+32% vs state
Student-teacher ratio in context
How Sarah Marley School compares with Arizona and U.S. medians
What stands out at Sarah Marley School
Sarah Marley School is a higher-need, mid-sized combined-grade school in Douglas, Arizona, enrolling 291 students.
Class loads run heavy: 22.4:1 is larger than about 88% of Arizona schools and 32% above the 17:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat above the state's typical profile, with 63.9% of students eligible for free meals.
With 291 students, its enrollment sits close to the Arizona median campus size.
Its Resource Investment Index trails 99% of the 2,064 Arizona schools with a score on record, one of the lower results on this measure.
Among 196 similarly sized, similarly resourced-need Arizona schools statewide, it ranks #195, in the lower tier once campus size and economic need are matched.
Its student body is predominantly Hispanic or Latino (99% of enrollment), among the less diverse in the state (diversity index 2/100).
Counselor access is stretched at roughly 882 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 77.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Douglas Unified District (4174) spends $9,602 per pupil, 27% below the Arizona average, a leaner-resourced district than most.
Its district draws 23.2% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Douglas Unified District (4174) also operates Douglas High School (1,288 students) and Joe Carlson Elementary School (410 students) alongside Sarah Marley School.
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 Sarah Marley School compares
Sarah Marley School on the metrics families compare, against 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 (what these measure)
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
$9,602
per pupil, district-wide
- below Arizona avg of $13,145
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.
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 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
Funding & spending
District-wide per-pupil expenditure for Douglas Unified District (4174), which includes Sarah Marley School.
$9,602
Per student
-27%
vs Arizona
Avg $13,145
-42%
vs U.S.
Avg $16,593
Revenue mix
Local 12.2%
State 64.6%
Federal 23.2%
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 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
- 1,288
- Students per teacher
- 17.6:1
- Resource Index
- 27/100
- 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
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Arizona, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~291 students)
Next steps
Verify locally before acting on Sarah Marley School's federal record.
- Compare Sarah Marley School against another school. Compare schools
- Douglas Unified District (4174)'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 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.
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, counselor availability, attendance rates. 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.
Is Sarah Marley School a good school?
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. 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 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.
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.