District Directory Information (2025-2026 School Year)
District Name: Derby School District (Schools in this District)
NCES District ID: 0901110
State District ID: CT-0370011
Mailing Address:35 Fifth StreetDerby CT, 06418
Phone: (203)736-5027
Type: Regular local school district
Status: Open
Total Schools: 5
Supervisory Union #: N/A
Grade Span: PK - 12
PKKG123456789101112
District Details (2024-2025 school year; Fiscal data from 2022-2023)
County: Naugatuck Valley Planning Region
County ID: 09140
Locale: Suburban, Large (21)
CSA/CBSA: 47930
Total Students: 1,311
Classroom Teachers (FTE): 123.00
Student/Teacher Ratio: 10.66
District Details (2024-2025 school year; Fiscal data from 2022-2023)
Derby School District district has a staff count of 335.25.
Average Staff Comparison Average Total Teacher(FTE): 
  District: 123.00
  State: 213.95
  National: 174.18
Teacher (FTE) Distribution
Total: 123.00
Prekindergarten: 4.00
Kindergarten: 6.00
Elementary: 72.00
Secondary: 41.00
Ungraded: †
Other Staff (FTE) Distribution
Total: 212.25
Instructional Aides: 74.25
Instruc. Coordinators & Supervisors: 3.00
Total Guidance Counselors: 3.00
Elementary Guidance Counselors: 2.00
Secondary Guidance Counselors: 1.00
School Psychologists: 5.00
Librarians/Media Specialists: 1.00
Library/Media Support: 0.00
District Administrators: 9.00
District Administrative Support: 4.00
School Administrators: 8.00
School Administrative Support: 8.50
Student Support Services (w/o Psychology): 19.50
Other Support Services: 77.00
District Details (2024-2025 school year; Fiscal data from 2022-2023)
  Amount Amount
per Student
Percent
Total Revenue: $40,814,000 $30,990
   Revenue by Source
      Federal: $5,501,000 $4,177 13%
      Local: $18,541,000 $14,078 45%
      State: $16,772,000 $12,735 41%
Total Expenditures: $40,056,000 $30,415
   Total Current Expenditures: $36,268,000 $27,538
      Instructional Expenditures: $23,891,000 $18,140 66%
      Student and Staff Support: $2,578,000 $1,957 7%
      Administration: $4,058,000 $3,081 11%
      Operations, Food Service, other: $5,741,000 $4,359 16%
   Total Capital Outlay: $367,000 $279
      Construction: $0 $0
   Total Non El-Sec Education & Other: $286,000 $217
   Interest on Debt: $287,000 $218
Note: Details do not add to totals due to rounding. Note: Fiscal data (including per pupil count used in this table) from 2022-2023.
Source: CCD public school district data for the 2024-2025, 2025-2026 school years
Notes:
  • * denotes a column with data from 2025-2026
  • [ † ] indicates that the data are not applicable. For example, the enrollment and staff characteristics for districts that opened in the 2025-2026 school year will not be available until the full 2025-2026 file is released.
  • [ – ] indicates that the data are missing.
  • [ ‡ ] indicates that the data do not meet NCES data quality standards.
  • The directory information on district name, address, and phone number are preliminary data from initial submissions of district level data for 2025-2026.
  • Data provided on student membership and staffing are from the official district level data for 2024-2025.