NY
Nonsectarian
Combined Elementary & Secondary
DEVELOPMENTAL DISABILITIES INSTITUTE
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(631) 366-2917
Identity & Institutional Profile
PSS 2023-2024
NCES Private School ID
A9300687
Religious Orientation
Nonsectarian
Broad Affiliation
Nonsectarian
School Typology
Nonsectarian, special education
Grades Offered
Ungraded
Locale Setting
Suburb: Large
School Day Length
6.00 hrs/day
County FIPS
36103
Physical Location Address
99 Hollywood Dr
Smithtown, NY 11787-3135
Smithtown, NY 11787-3135
Enrollment & Academic Overview
PSS 2023–2024Total Students
101
Teachers (FTE)
15.00
Student-Teacher Ratio
6.73:1
School Level
Combined Elementary & Secondary
Student Diversity Distribution
Demographic composition of enrolled students across racial & ethnic backgrounds.
101
Students
| White | 83 est. | 82.2% | |
| Hispanic / Latino | 6 est. | 5.9% | |
| Black or African American | 5 est. | 5.0% | |
| Two or More Races (Multiracial) | 3 est. | 3.0% | |
| Asian | 2 est. | 2.0% | |
| American Indian / Alaska Native | 2 est. | 2.0% |
Student Enrollment by Sex
Enrolled student gender breakdown as reported in NCES PSS survey.
♂
85.1%
Male Students
86
♀
14.9%
Female Students
15
Grade-Level Enrollment Distribution
Distribution of student body across reported grade cohorts.
101
Students
| Ungraded | 101 | 100% |
Biennial Enrollment & Staffing Trends
NCES PSS Multi-CycleBiennial Enrollment Trends (2019-2020 – 2023-2024)
| Survey Cycle | Students | Teachers (FTE) | Student-Teacher Ratio | Grades Offered | Affiliation / Typology |
|---|---|---|---|---|---|
| 2023-2024 | 101 | 15.0 | 6.7:1 | Ungraded | Nonsectarian |
| 2021-2022 | 216 | 84.0 | 2.6:1 | PK | Nonsectarian |
| 2019-2020 | 222 | 45.0 | 4.9:1 | Ungraded | Nonsectarian |
Median Household Income
Median Home Value
Poverty Rate (%)
Peak Value: $850,000
| Geographic Area | Median Household Income |
Median Home Value |
Poverty Rate |
Total Population |
|---|---|---|---|---|
|
ZIP 11787
Current ZIP
|
$141,505 | $642,200 | 5.3% | 34,656 |
|
Smithtown
(City Average)
|
$141,505 | $642,200 | 5.2% | 34,656 |
|
SUFFOLK County
(County Average)
|
$132,322 | $702,326 | 6.1% | 1,429,529 |
|
New York
(State Average)
|
$93,157 | $411,874 | 13.5% | 19,020,221 |
|
United States
(U.S. National)
|
$76,308 | $277,906 | 12.4% | 335,555,510 |
Location Map
40.8508, -73.236
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