2022 NAICS national industry in sector 61 Educational Services
611110 Elementary and Secondary Schools
NAICS 611110 is the US industry code for elementary and secondary schools. It covers establishments primarily engaged in furnishing academic courses and associated course work that comprise a basic preparatory education.
- Code
- 611110 (2022 NAICS)
- Title
- Elementary and Secondary Schools
- Part of
- Elementary and Secondary Schools
- SBA small business limit
- Average annual receipts up to $20 million
- Closest UK SIC
- 85100 (details)
Changes coming. The NAICS 2027 revision applies to data from 1 January 2027, and SBA proposed new size standards on 20 August 2026. The values on this page are the ones in force today; we update this page when the official files change.
Official definition
This industry comprises establishments primarily engaged in furnishing academic courses and associated course work that comprise a basic preparatory education. A basic preparatory education ordinarily constitutes kindergarten through 12th grade. This industry includes school boards and school districts.
Examples Census gives
- Elementary schools
- Parochial schools, elementary or secondary
- High schools
- Primary schools
- Charter schools
- Kindergartens
- Military academies, elementary or secondary
- Schools for the physically disabled, elementary or secondary
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Establishments primarily engaged in providing care and early learning opportunities for infants and children and also offering pre-kindergarten, kindergarten, and/or before- or after-school educational programs are classified in Industry 624410, Child Care Services.
- College-level military academies are classified in Industry 611310, Colleges, Universities, and Professional Schools.
Businesses that use this code
Activities listed under 611110
The Census index assigns these 29 activities to this code. If your business matches one, this is your code.
- Academies, elementary or secondary
- Boarding schools, elementary or secondary
- Charter schools
- Elementary and secondary schools
- Elementary schools
- Finishing schools, secondary
- High schools
- High schools offering both academic and technical courses
- High schools offering both academic and vocational courses
- Junior high schools
- Kindergartens
- Kindergartens, combined with preschools
- Middle schools
- Military academies, elementary or secondary
- Montessori schools, elementary or secondary
- Parochial schools, elementary or secondary
- Preparatory schools, elementary or secondary
- Primary schools
- Private schools, elementary or secondary
- Public schools, elementary or secondary
- School boards, elementary and secondary
- School districts, elementary or secondary
- Schools for the intellectually and developmentally disabled (except preschool, job training, vocational rehabilitation)
- Schools for the physically disabled, elementary or secondary
- Schools, elementary
- Schools, online, elementary- or secondary-level (through a website or mobile application)
- Schools, secondary
- Secondary schools offering both academic and technical courses
- Seminaries, below university grade
SBA size standard for 611110
To count as a small business for SBA loans and federal contracts under NAICS 611110, your business (including affiliates) must not exceed $20 million in average annual receipts. Check your business.
Source: SBA table of size standards, effective March 17, 2023.
Closest UK SIC 2007 codes
There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 8510, 8521, 8522), so treat them as a starting point and check the definition.
Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.
Data last changed November 14, 2026. How this page is built.