Enrollment
313
Elementary
DISTRICT 319 · STATE 443
SCHOOL COMMUNITY·TROY CITY SCHOOL DISTRICT·NCES 362895003917
PS 18
412 HOOSICK ST, TROY, NY 12180 · (518) 328-5501 · Rensselaer County
GRADES KG–05ELEMENTARY13-CITYTITLE IREGULAR SCHOOL313 STUDENTS
B-
allk12 Grade
Scored higher than 47% of New York public elementary schools
- B-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- B-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded New York public elementary schools
Student : Teacher
8.8:1
36 FTE teachers
DISTRICT 8.7:1 · STATE 12.8:1
Free / Reduced Lunch
49%
154 students
DISTRICT 72% · STATE 58%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 52 | 17% |
| Grade 1 | 50 | 16% |
| Grade 2 | 61 | 19% |
| Grade 3 | 61 | 19% |
| Grade 4 | 46 | 15% |
| Grade 5 | 43 | 14% |
This year's kindergarten class (52) is 21% larger than its 5th grade class (43).
Student demographics
61%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 73% · STATE 72% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Students here typically continue to
Based on grade levels within TROY CITY SCHOOL DISTRICT. Attendance zones can vary; confirm enrollment with the district.
Test scores
NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)English Language Arts
62.0%
NY avg 58.3% . +18.0pp since 2023
Math
57.0%
NY avg 57.4% . +8.0pp since 2023
What this means: On the NYS Assessments, New York's statewide test, about 62 of every 100 students at this school read and write at grade level and about 57 of 100 do math at grade level. Across all New York schools, those numbers are about 58 and 57. Reading and writing scores are up about 18 points since 2023, while math scores are up about 8 points.
NYS Assessments results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 62.0% | 57.0% |
| 2023-24 | 44.0% | 49.0% |
% Proficient (Level 3 + Level 4), all students and all tested grades.
Source: NYS Assessments. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
50.1%
composite math + reading, all grades
Predicted
56.9%
based on NY schools with similar FRL share
Beats by
-6.8pp
below demographic expectation
What this means: About 50% of students here test proficient in math and reading, compared with the roughly 57% typical for New York schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among New York's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like PS 18
PS 18's state test result (50.1% proficient) is higher than 3 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| PS 18 this school | 313 | 49.2% | 50.1% |
| T J CONNOR ELEMENTARY SCHOOL SCOTTSVILLE | 292 | 47.9% | 33.7% |
| NETHERWOOD SCHOOL HYDE PARK | 301 | 51.8% | 47.4% |
| HOLMES ROAD ELEMENTARY SCHOOL ROCHESTER | 330 | 54.2% | N/A |
| E R CROSBY ELEMENTARY SCHOOL LAKE KATRINE | 311 | 52.4% | 50.7% |
| EVANS MILLS PRIMARY SCHOOL EVANS MILLS | 330 | 54.2% | 50.0% |
Matched among New York elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where PS 18 ranks
Among elementary schools| Measure | This school | In New York | In Rensselaer County |
|---|---|---|---|
| State test proficiency ranked highest first | 50.1% | #1,164 of 2,335 | #12 of 21 |
| Math proficiency ranked highest first | 57.0% | #1,204 of 2,342 ▲ 158 | #12 of 21 ▲ 3 |
| Reading proficiency ranked highest first | 62.0% | #869 of 2,343 ▲ 255 | #10 of 21 ▲ 3 |
| Enrollment ranked largest first | 313 | #1,910 of 2,585 | #16 of 23 |
| Students per teacher ranked fewest first | 8.8:1 | #147 of 2,338 | #4 of 22 |
| Diversity index ranked most diverse first | 60.9% | #677 of 2,388 | #8 of 22 |
| Free and reduced lunch ranked highest share first | 49.2% | #1,429 of 2,534 | #9 of 22 |
| Enrollment change since 2017-18 ranked steepest decline first | -5.4% | #1,452 of 1,757 | #14 of 17 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
313
+28 (+10%) vs 2020
-31% since 1990-91, when it was 453
Student : Teacher
8.8:1
was 10.2:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 313 | 35.6 | 8.8:1 | 49% (154) |
| 2023-24 | 297 | 35.4 | 8.4:1 | 48% (143) |
| 2022-23 | 309 | 32.5 | 9.5:1 | 45% (138) |
| 2020-21 | 285 | 28 | 10.2:1 | 40% (115) |
| 2017-18 | 331 | 30 | 11.0:1 | 51% (170) |
| 2015-16 | 310 | 26 | 11.9:1 | 55% (169) |
| 2010-11 | 280 | 21 | 13.3:1 | 22% (62) |
| 2000-01 | 258 | 20 | 12.9:1 | 14% (37) |
| 1990-91 | 453 | 22 | 20.6:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for PS 18.
About PS 18
PS 18 is a small elementary school. Its address is in TROY, New York. It teaches 313 students in kindergarten through 5. It has 29% fewer students than the average for elementary schools in New York (about 443).
TROY CITY SCHOOL DISTRICT oversees PS 18 and 6 other schools, with 3,522 students in total.
About 58% of the student body at PS 18 is White. Other groups make up 17% Hispanic, 15% Black, 8% multiracial, and 3% Asian. County-wide, 80% of Rensselaer County residents are White. Its diversity index, the chance that two randomly chosen students belong to different racial or ethnic groups, is 61%.
PS 18 lists 35.6 full-time-equivalent teachers; that is about 8.8 students per teacher. Across elementary schools in New York, the average ratio is 12.8:1. Free or reduced-price lunch covers 49% of the student body.
PS 18 earns a B- on the allk12 Grade, which blends test scores, results against poverty-based expectations, and the three-year trend. It scored higher than 47% of New York public elementary schools.
PS 18 sits between the top and bottom 10% of New York schools on BeatsExpectations, with an actual average proficiency rate across its state test results of 50.1% and a predicted 56.9%.
For the population of Rensselaer County, the median household earns about $87,915 a year, a bachelor's degree or higher is held by about 38% of adults, and the poverty rate is about 8%. Rensselaer County's 42 public schools enroll about 19,274 students and include PS 18.
Among nearby public schools, TROY MIDDLE SCHOOL is closest at about 0.9 miles. There are at least 8 more public schools inside five miles. On state test proficiency, PS 18 ranks 5th in a group of 9 nearby schools.
The National Center for Education Statistics classifies the school's location as City: Small, meaning it is inside a principal city with a population under 100,000.
Over the 4 years from 2020-21 to 2024-25, enrollment rose 10%. Its ratio of students to teachers was 10.2:1 in 2020-21, and 8.8:1 in 2024-25.
Parents, students, and staff can share information on pickup and drop-off, after-school programs, and teacher feedback here. Members of the school community can share what they know.
Rensselaer County at a glance
View full county profilePopulation
160,332
Census ACS
Median income
$87,915
Household, ACS
Bachelor's+
38%
Adults 25+
Poverty rate
8%
Below federal line
Schools in county
42
19,274 students
Quick facts
Related schools
Other schools in TROY CITY SCHOOL DISTRICT
- TROY HIGH SCHOOLHigh · 1,193 students
- TROY MIDDLE SCHOOLMiddle · 733 students
- PS 14Elementary · 460 students
- CARROLL HILL SCHOOLElementary · 325 students
- PS 16Elementary · 249 students
- PS 2Elementary · 249 students
Other schools in TROY
- TROY HIGH SCHOOLHigh · 1,193 students
- KIPP TROY PREPARATORY CHARTER SCHOOLCombined · 762 students
- TROY MIDDLE SCHOOLMiddle · 733 students
- LANSINGBURGH SENIOR HIGH SCHOOLHigh · 625 students
- TAMARAC MIDDLE SCHOOL HIGH SCHOOLCombined · 576 students
- TURNPIKE ELEMENTARY SCHOOLElementary · 542 students
Nearby schools
- TROY MIDDLE SCHOOL0.9 mi · 733
- PS 140.9 mi · 460
- TROY HIGH SCHOOL1.0 mi · 1,193
- PS 21.0 mi · 249
- HEATLY SCHOOL1.6 mi · 223
- PS 161.6 mi · 249
Frequently asked questions
About PS 18What is the total enrollment at PS 18?
PS 18 enrolls approximately 313 students in grades KG-05.
What grades does PS 18 serve?
PS 18 serves grades KG-05.
What is the student-teacher ratio at PS 18?
The student-to-teacher ratio at PS 18 is approximately 8.8:1 (36 FTE teachers).
What is the student diversity at PS 18?
Student demographics at PS 18 are roughly 58% White, 17% Hispanic, 15% Black, 3% Asian, 8% Two or more.
Who oversees PS 18?
PS 18 is overseen by TROY CITY SCHOOL DISTRICT in Rensselaer County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.