Enrollment
748
Pennsylvania · 2024-25 NCES data
Middle school (grades 6-8) · Aston, PA
Northley Ms
Federal NCES profile for Northley Ms, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 61/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 421858005143
👥 S:T ratio 42
🌟 Gifted program 70
🎓 Counselors 50
📋 Attendance 82
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Northley Ms earns 61/100 on the Resource Investment Index, with class sizes near the Pennsylvania median.
- #2 of 6
- public schools in Aston · Resource Index
- 61
- Resource Index · Higher
- 14.4:1
- students per teacher
- 36.1%
- free-lunch eligible
Northley Ms has class sizes near the Pennsylvania median. Computed live against every Pennsylvania school reporting to NCES.
By Resource Investment Index, Northley Ms ranks #2 of 6 public schools in Aston, PA.
School address
District: Penn-Delco Sd · Pennsylvania
NCES ID 421858005143 Verify on NCES CCD record →
Teachers (FTE)
52.0
Federal CCD staff survey
Students per teacher
14.4:1
vs 13.6:1 Pennsylvania avg
+6% vs state
Free-lunch eligible
36.1%
vs 58.1% Pennsylvania avg
-38% vs state
Student-teacher ratio in context
How Northley Ms compares with Pennsylvania and U.S. medians
What stands out at Northley Ms
Northley Ms is a mid-sized middle school in Aston, Pennsylvania, enrolling 748 students.
Class loads run somewhat heavier than typical: 14.4:1 puts it in the larger third of Pennsylvania schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 36.1% of students eligible for free meals.
Enrollment of 748 puts it in the larger third of Pennsylvania schools by headcount.
Its Resource Investment Index outscores 93% of the 2,889 Pennsylvania schools with a score on record, a top-tier result on this measure.
Among 523 similarly sized, similarly resourced-need Pennsylvania schools statewide, it ranks #27, a top-tier result once campus size and economic need are matched.
Its student body is led by White (79%) and African American (8%) (diversity index 37/100).
Counselor coverage is strong, about 249 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance holds up well here: only 7.2% of students were chronically absent, below the typical post-pandemic national figure.
Penn-Delco Sd also operates Sun Valley Hs (1,042 students) and Pennell El Sch (415 students) alongside Northley Ms.
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 Northley Ms compares
Northley Ms on the metrics families compare, against Pennsylvania and U.S. means.
| Metric | This school | vs Pennsylvania | Pennsylvania avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.4:1 | ▲ 6% | 13.6:1 | 15.7:1 |
| Free-lunch eligible | 36.1% | ▼ 38% | 58.1% | 51.7% |
| Enrollment | 748 | top 18% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.4:1
Leaner classes than 53% of US schools, a middle-of-the-pack class size.
748
Bigger than 83% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
36.1%
free-lunch eligible
- 38% below the Pennsylvania average of 58.1%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
14.4:1
students per teacher
- 6% above state mean
Top 68% in Pennsylvania - lower ratio than 32% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
7.2%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$16,582
per pupil, district-wide
- below Pennsylvania avg of $17,970
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors3.0 FTE
Per 249 students, the combined health-and-guidance staffing load for this school.
Discipline context
9
in-school suspensions + 53 out-of-school
Suspension rate: 1.2 per 100 students. Combined in-school and out-of-school rate: 8.3 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
White 78.6%
African American 8.4%
Two or More 4.9%
Hispanic or Latino 4.8%
Asian 2.8%
American Indian / Alaska Native 0.4%
Largest group: White at 78.6% of enrollment.
Student-body diversity index 37.0/100
Simpson diversity index - at 37.0, Northley Ms is about as mixed as the Pennsylvania school average of 37.3.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Penn-Delco Sd, which includes Northley Ms.
$16,582
Per student
-8%
vs Pennsylvania
Avg $17,970
0%
vs U.S.
Avg $16,593
Revenue mix
Local 69.5%
State 25.7%
Federal 4.8%
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 Northley Ms Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Sun Valley Hs | Larger | Similar economic need | Similar S:T ratio |
| Pennell El Sch | Smaller | Similar economic need | Similar S:T ratio |
| Aston El Sch | Smaller | Similar economic need | Similar S:T ratio |
| Coebourn El Sch | Smaller | Similar economic need | Lower S:T ratio |
| Parkside El Sch | Smaller | Higher economic need | Similar S:T ratio |
Comparisons are relative to Northley Ms's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,042
- Students per teacher
- 13.9:1
- Resource Index
- 60/100
- Enrollment
- 415
- Students per teacher
- 14.8:1
- Resource Index
- 55/100
- Enrollment
- 405
- Students per teacher
- 13.5:1
- Resource Index
- 56/100
- Enrollment
- 319
- Students per teacher
- 11.8:1
- Resource Index
- 62/100
- Enrollment
- 252
- Students per teacher
- 14:1
- Resource Index
- 63/100
Similar middle schools statewide
Matched by enrollment size and by staffing ratio across all of Pennsylvania, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~748 students)
Similar student-teacher ratio (~14.4:1)
Next steps
Verify locally before acting on Northley Ms's federal record.
- Compare Northley Ms against another school. Compare schools
- Penn-Delco Sd'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 Northley Ms
How many students attend Northley Ms?
Northley Ms has 748 students enrolled. It is a middle school in Aston, PA.
What is the student-teacher ratio at Northley Ms?
The student-teacher ratio at Northley Ms is 14.4:1, which is 6% higher than the Pennsylvania average of 13.6:1 and 8% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Northley Ms?
36.1% of students at Northley Ms are eligible for free lunch, compared to the Pennsylvania average of 58.1%.
What is the racial and ethnic makeup of Northley Ms?
The largest demographic group at Northley Ms is White at 78.6% of enrollment, in Aston, PA.
What is the Resource Investment Index for Northley Ms?
Northley Ms has a Resource Investment Index of 61/100 (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 Northley Ms rank among public schools in Aston?
By Resource Investment Index, Northley Ms ranks #2 of 6 public schools in Aston, PA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Aston on the city page.
Is Northley Ms a good school?
Northley Ms earns 61/100 on the Resource Investment Index, with class sizes near the Pennsylvania median. 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 Penn-Delco Sd?
Besides Northley Ms, Penn-Delco Sd also operates Sun Valley Hs (1,042 students), Pennell El Sch (415 students), and Aston El Sch (405 students). See the Penn-Delco Sd 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.