611630 — Language Schools
Description
This industry comprises establishments primarily engaged in offering foreign language instruction (including sign language). These establishments are designed to offer language instruction ranging from conversational skills for personal enrichment to intensive training courses for career or educational opportunities (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Exclusions & Cross-References
- Offering academic courses that may also offer language instruction--are classified according to type of
- school; and
- Providing translation and interpretation services--are classified in Industry 541930, Translation and
- Interpretation Services.
Overview Facts
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 8299 - Schools and Educational Services NEC (via SIC1987:8299→NAICS1997:61163→2002:611630→2007:611630→2012:611630→2017:611630→2022:611630)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC M1CA — OPERATION OF SCHOOLS
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 611630 valid in 2022? ▾
Yes, 611630 is a valid 6-digit 2022 NAICS national industry code representing 'Language Schools' under Sector 61 in the official classification index.
What is the SBA size standard for NAICS code 611630? ▾
The Small Business Administration (SBA) has established a small business size standard of $20,500,000 for NAICS code 611630 (Language Schools), calculated based on receipts.
What is the legacy SIC equivalent for NAICS 611630? ▾
According to official Census Bureau concordance tables, NAICS code 611630 (Language Schools) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 8299 - Schools and Educational Services NEC.
Related Pages & Tools
Further regulatory reference links for NAICS code 611630:
- Sector 61 Directory Hub — List of related industries in the Educational Services sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- NAICS 611630 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Language Schools).
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.