Enrollment
313
New York · 2024-25 NCES data
Elementary school (grades K-5) · Troy, NY
Ps 18
Federal NCES profile for Ps 18, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataElementary school (grades K-5)NCES 362895003917
👥 S:T ratio 61
🌟 Gifted program 30
🎓 Counselors 37
📋 Attendance 17
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ps 18 earns 36/100 on the Resource Investment Index, with class sizes smaller than 73% of New York schools.
- #3 of 5
- elementary schools in Troy · Resource Index
- 36
- Resource Index · Typical
- 9.8:1
- small classes for New York
- 44.0%
- free-lunch eligible
Ps 18 has class sizes smaller than 73% of New York schools. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Ps 18 ranks #3 of 5 elementary schools in Troy, NY.
School address
District: Troy City School District · New York
NCES ID 362895003917 Verify on NCES CCD record →
Teachers (FTE)
32.0
Federal CCD staff survey
Students per teacher
9.8:1
vs 11.8:1 New York avg
-17% vs state
Free-lunch eligible
44.0%
vs 56.2% New York avg
-22% vs state
Student-teacher ratio in context
How Ps 18 compares with New York and U.S. medians
What stands out at Ps 18
Ps 18 is a mid-sized elementary school in Troy, New York, enrolling 313 students.
Class sizes run a bit leaner than typical: 9.8:1 puts it in the smaller third of New York schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 44.0% of students eligible for free meals.
Enrollment of 313 puts it in the smaller third of New York schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 4,801 scored New York schools.
Against 790 statewide peers matched on enrollment and economic need, it ranks mid-pack at #514.
Its student body is led by White (58%) and Hispanic or Latino (17%) (diversity index 61/100).
Counselor coverage runs a bit thin, about 313 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 33.2% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Troy City School District also operates Troy High School (1,193 students) and Troy Middle School (733 students) alongside Ps 18.
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 Ps 18 compares
Ps 18 on the metrics families compare, against New York and U.S. means.
| Metric | This school | vs New York | New York avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 9.8:1 | ▼ 17% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 44.0% | ▼ 22% | 56.2% | 51.7% |
| Enrollment | 313 | top 73% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
9.8:1
Leaner classes than 90% of US schools, among the more generously staffed nationally.
313
Bigger than 34% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
44.0%
free-lunch eligible
- 22% below the New York average of 56.2%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
9.8:1
students per teacher
- 17% below state mean
Top 27% in New York - lower ratio than 73% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
33.2%
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
$26,211
per pupil, district-wide
- below New York avg of $26,410
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 313 students, the combined health-and-guidance staffing load for this school.
Discipline context
7
in-school suspensions + 6 out-of-school
Suspension rate: 2.2 per 100 students. Combined in-school and out-of-school rate: 4.2 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 57.8%
Hispanic or Latino 16.6%
African American 15.0%
Two or More 7.7%
Asian 2.9%
Largest group: White at 57.8% of enrollment.
Student-body diversity index 60.9/100
Simpson diversity index - at 60.9, Ps 18 is more mixed than the New York school average of 45.5.
Programs
Funding & spending
District-wide per-pupil expenditure for Troy City School District, which includes Ps 18.
$26,211
Per student
-1%
vs New York
Avg $26,410
+58%
vs U.S.
Avg $16,593
Revenue mix
Local 30.2%
State 58.2%
Federal 11.5%
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 Ps 18 Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Troy High School | Larger | Higher economic need | Higher S:T ratio |
| Troy Middle School | Larger | Higher economic need | Similar S:T ratio |
| Ps 14 | Larger | Higher economic need | Similar S:T ratio |
| Carroll Hill School | Similar size | Higher economic need | Lower S:T ratio |
| Ps 2 | Similar size | Higher economic need | Lower S:T ratio |
Comparisons are relative to Ps 18's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,193
- Students per teacher
- 12.3:1
- Resource Index
- 37/100
- Enrollment
- 733
- Students per teacher
- 9.2:1
- Resource Index
- 36/100
- Enrollment
- 460
- Students per teacher
- 9.8:1
- Resource Index
- 25/100
- Enrollment
- 325
- Students per teacher
- 7.6:1
- Resource Index
- 34/100
- Enrollment
- 249
- Students per teacher
- 7.8:1
- Resource Index
- 37/100
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of New York, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~313 students)
Next steps
Verify locally before acting on Ps 18's federal record.
- Compare Ps 18 against another school. Compare schools
- Troy City School District'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 Ps 18
How many students attend Ps 18?
Ps 18 has 313 students enrolled. It is an elementary school in Troy, NY.
What is the student-teacher ratio at Ps 18?
The student-teacher ratio at Ps 18 is 9.8:1, which is 17% lower than the New York average of 11.8:1 and 38% 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 Ps 18?
44.0% of students at Ps 18 are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Ps 18?
The largest demographic group at Ps 18 is White at 57.8% of enrollment, in Troy, NY. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 60.9/100.
What is the Resource Investment Index for Ps 18?
Ps 18 has a Resource Investment Index of 36/100 (typical 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 Ps 18 rank among elementary schools in Troy?
By Resource Investment Index, Ps 18 ranks #3 of 5 elementary schools in Troy, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Troy on the city page.
Is Ps 18 a good school?
Ps 18 earns 36/100 on the Resource Investment Index, with class sizes smaller than 73% of New York 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 Troy City School District?
Besides Ps 18, Troy City School District also operates Troy High School (1,193 students), Troy Middle School (733 students), and Ps 14 (460 students). See the Troy City School District 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.