Education Period
Public K-6
Address

50 Dean Ln Stony Brook , NY 11790-2799
Overview
William Sidney Mount Elementary School, located in 50 Dean Ln Stony Brook , NY 11790-2799, serves 455 students with a student/teacher ratio of 11.6. It belongs to Three Village Central School District and ranks 511th of 2,434 New York Elementary Schools.
School District
District: Three Village Central School District
Number of students:
455
Public School Search
Rank:
511th
511th of 2,434 New York Elementary Schools
Per Pupil Expenditure
$21,943
Student/Teacher Ratio | |
---|---|
Student/Teacher Ratio | 11.6 |
Immunization | |
---|---|
Fully immunized: | 97.8% |
Measles: | 100% |
Polio: | 98.2% |
Measles: | 100% |
Diphtheria: | 98.6% |
Hepatitis B: | 99.8% |
Varicella: | 99.4% |
Racial Breakdown | |
---|---|
White: | 65.3% |
Asian: | 18.7% |
Hispanic: | 9.7% |
Two or more races: | 5.3% |
African American: | 1.1% |
Free/Discounted lunch recipients | |
---|---|
Free/Discounted lunch recipients | 12.3% |
Performance Trends
Statewide Performance
Average Standard Score
Test Score Average
Average Standard Score
Student Body
Enrollment
Average Standard Score
% Free/Reduced Lunch
Immunization % Complete (Kindergarten)
Teachers
Student/Teacher Ratio
# Full-Time Teachers
Finance
Per Pupil Expenditures
Map and Boundary of William Sidney Mount Elementary School
School Ranking in New York
PublicSchoolSearch ranks 511th of 2,434 New York Elementary Schools.
District Ranking in State
PublicSchoolSearch ranks 511th of 2,434 New York Elementary Schools.
Average Parent Rating
Historical Ranking of William Sidney Mount Elementary School to other New York Elementary Schools
Statewide Rank Position Percentile
Impact of COVID-19 on William Sidney Mount Elementary School
Rankings
Rank Pre-pandemic (2018-2019) |
Rank Pandemic (2020-2021) |
Rank Post-pandemic (2018-2019) |
Change (%) |
---|---|---|---|
Ranks 343rd of 2413 Elementary schools | Ranks 511th of 2434 Elementary schools | 6.8% |
Test Scores
% proficient Pre-pandemic (2018-2019) |
% proficient Pandemic (2020-2021) | % proficient Post-pandemic (2021-2022) | Change (%) | |
---|---|---|---|---|
3rd Grade English Language Arts (William Sidney Mount Elementary School) | 76 | 55.8 |
20.2% | |
3rd Grade English Language Arts (Three Village Central School District) | 73 | 65.6 |
7.4% | |
3rd Grade English Language Arts (New York) | 52 | 46.3 |
5.7% | |
3rd Grade Math (William Sidney Mount Elementary School) | 87 | 67.5 |
19.5% | |
3rd Grade Math (Three Village Central School District) | 82 | 65.7 |
16.3% | |
3rd Grade Math (New York) | 54 | 47.7 |
6.3% | |
4th Grade English Language Arts (William Sidney Mount Elementary School) | 75 | 54.9 |
20.1% | |
4th Grade English Language Arts (Three Village Central School District) | 73 | 61.8 |
11.2% | |
4th Grade English Language Arts (New York) | 48 | 41.5 |
6.5% | |
4th Grade Math (William Sidney Mount Elementary School) | 70 | 52.8 |
17.2% | |
4th Grade Math (Three Village Central School District) | 75 | 67.5 |
7.5% | |
4th Grade Math (New York) | 50 | 42.9 |
7.1% | |
5th Grade English Language Arts (William Sidney Mount Elementary School) | 32 | 48.3 |
16.3% | |
5th Grade English Language Arts (Three Village Central School District) | 59 | 60.6 |
1.6% | |
5th Grade English Language Arts (New York) | 38 | 37.7 |
0.3% | |
5th Grade Math (William Sidney Mount Elementary School) | 52 | 64.3 |
12.3% | |
5th Grade Math (Three Village Central School District) | 74 | 57.2 |
16.8% | |
5th Grade Math (New York) | 46 | 36.9 |
9.1% | |
6th Grade English Language Arts (William Sidney Mount Elementary School) | 79 | 77.8 |
1.2% | |
6th Grade English Language Arts (Three Village Central School District) | 81 | 77.3 |
3.7% | |
6th Grade English Language Arts (New York) | 47 | 56.6 |
9.6% | |
6th Grade Math (William Sidney Mount Elementary School) | 81 | 52.8 |
28.2% | |
6th Grade Math (Three Village Central School District) | 80 | 67.5 |
12.5% | |
6th Grade Math (New York) | 47 | 38.3 |
8.7% |
Student Body
Number of Students Pre-pandemic (2018-2019) |
Number of Students Pandemic (2020-2021) |
Number of Students Post-pandemic (2021-2022) |
Change (%) | |
---|---|---|---|---|
Total Students | 505 | 455 |
9.9% |
|
African American | 5 | 5 | 0% | |
American Indian | 0 | 0 | 0% | |
Asian | 83 | 85 |
2.4% |
|
Hispanic | 50 | 44 |
12% |
|
Pacific Islander | 0 | 0 | 0% | |
White | 342 | 297 |
13.2% |
|
Two or More Races | 25 | 24 |
4% |
|
Free/Discounted Lunch Recipients | 11.3 | 12.3 |
1% |