- Enrollment
- 1,682
- Students per teacher
- 12.6:1
- Resource Index
- 49/100
Elementary school (grades K-5) · Lancaster, NY
William Street School
Federal NCES profile for William Street School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
2024-25 NCES dataElementary school (grades K-5)NCES 361668003289
👥 S:T ratio 45
🌟 Gifted program 30
📋 Attendance 67
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
William Street School earns 47/100 on the Resource Investment Index, with class sizes larger than 79% of New York schools. It is also one of the largest schools in New York.
- #4 of 4
- elementary schools in Lancaster · Resource Index
- 47
- Resource Index · Typical
- 13.8:1
- large classes for New York
- 21.2%
- free-lunch eligible
William Street School has class sizes larger than 79% of New York schools. Computed live against every New York school reporting to NCES.
By Resource Investment Index, William Street School ranks #4 of 4 elementary schools in Lancaster, NY.
School address
District: Lancaster Central School District · New York
NCES ID 361668003289 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+7 students YoY
William Street School held near 1,300 students from 2022-23 to 2023-24 (+7 headcount).
Teacher FTE added 92.9 → 97.5 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+7 students YoY 361668003289 · Lancaster, NY Elementary · MID · TRAD
1,274 enr · 13.8:1 · 21.2% lunch · RII 47
Nearest enrollment peer: Lancaster High School (1,682 students)
William Street School held near 1,300 students from 2022-23 to 2023-24 (+7 headcount). Teacher FTE added 92.9 → 97.5 across the same CCD years. Read with this school → · District book → · New York schools → · Find another →
William Street School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Lancaster High
Lancaster High School
1,682 students
- This school
William Street School
1,274 students
- Lancaster Midd
Lancaster Middle School
876 students
- Hillview Eleme 451
Hillview Elementary School
451 students
- John a Sciole 401
John a Sciole Elementary School
401 students
- Como Park Elem 352
Como Park Elementary School
352 students
What this shows William Street School reports 1,274 students on the CCD universe file.
How William Street School compares
William Street School held steady on CCD headcount: ratios and free-lunch share vs New York and U.S. means.
| Metric | This school | vs New York | New York avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.8:1 | ▲ 17% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 21.2% | ▼ 62% | 56.2% | 51.7% |
| Enrollment | 1,274 | top 4% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.8:1
Leaner classes than 59% of US schools, a middle-of-the-pack class size.
1,274
Bigger than 95% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
21.2%
free-lunch eligible
- 62% below the New York average of 56.2%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
13.8:1
students per teacher
- 17% above state mean
Top 79% in New York - lower ratio than 21% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
13.3%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$19,088
per pupil, district-wide
- below New York avg of $28,120
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
1
in-school suspensions + 1 out-of-school
Suspension rate: 0.1 per 100 students. Combined in-school and out-of-school rate: 0.2 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 90.4%
Hispanic or Latino 3.5%
Two or More 2.3%
Asian 2.0%
African American 1.6%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 90.4% of enrollment.
Student-body diversity index 18.0/100
Simpson diversity index - at 18.0, William Street School is less mixed than the New York school average of 45.5.
Programs
District finance for Lancaster Central School District reports $19,088 per pupil (NCES F-33) - open the district page for the full revenue mix.
How William Street School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lancaster High School | Larger | Similar economic need | Similar S:T ratio |
| Lancaster Middle School | Smaller | Similar economic need | Lower S:T ratio |
| Hillview Elementary School | Smaller | Lower economic need | Similar S:T ratio |
| John a Sciole Elementary School | Smaller | Similar economic need | Lower S:T ratio |
| Como Park Elementary School | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to William Street School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 876
- Students per teacher
- 12.2:1
- Resource Index
- 44/100
- Enrollment
- 451
- Students per teacher
- 13.3:1
- Resource Index
- 54/100
- Enrollment
- 401
- Students per teacher
- 12.2:1
- Resource Index
- 47/100
- Enrollment
- 352
- Students per teacher
- 12.1:1
- Resource Index
- 48/100
Nationwide elementary 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 (~1,274 students)
Frequently asked questions about William Street School
How many students attend William Street School?
William Street School has 1,274 students enrolled. It is an elementary school in Lancaster, NY. CCD year-over-year: 1,293 (2022-23) → 1,300 (2023-24), nearly flat (+7).
What is the student-teacher ratio at William Street School?
The student-teacher ratio at William Street School is 13.8:1, which is 17% higher than the New York average of 11.8:1 and 12% lower than the national average of 15.7:1.
What percentage of students receive free lunch at William Street School?
21.2% of students at William Street School are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of William Street School?
The largest demographic group at William Street School is White at 90.4% of enrollment, in Lancaster, NY.
What is the Resource Investment Index for William Street School?
William Street School has a Resource Investment Index of 47/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does William Street School rank among elementary schools in Lancaster?
By Resource Investment Index, William Street School ranks #4 of 4 elementary schools in Lancaster, 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 Lancaster on the city page.
What other schools are in Lancaster Central School District?
Besides William Street School, Lancaster Central School District also operates Lancaster High School (1,682 students), Lancaster Middle School (876 students), and Hillview Elementary School (451 students). See the Lancaster Central School District district page for the complete list.