Educational Support Services (U.S., NAICS 6117)

A Histometrics industry primer for public-market and private investors

Short primer — single-child level. In the NAICS 2022 taxonomy this four-digit industry group (6117) contains exactly one five-digit industry, 61171, and nothing else. The two codes describe the same thing: the same firms, the same revenue, the same federal statistics. This page gives the rollup figures and the shape of the market; for the full treatment — company-by-company investable universe, revenue models, demand drivers, regulation, and risks — read the child primer, NAICS 61171.

1. Overview

Educational Support Services is the "picks-and-shovels" layer of American education. Firms here do not run classrooms or grant degrees; they sell the non-instructional services that schools, colleges, employers, and families rely on — standardized tests, curriculum and assessment content, learning-management software, guidance and college-admissions counseling, tutoring-program management for districts, and student-exchange administration.[3] The economics look like software, testing, and professional services rather than real estate or heavy industry: asset-light and fee-based. The market is unusually bifurcated — a few large, entrenched testing and content organizations at the top, and tens of thousands of tiny tutors, consultants, and franchisees underneath.

2. What's inside — and why this level equals its one child

NAICS (North American Industry Classification System) is a nested, digit-by-digit hierarchy. At the four-digit "industry group" level, code 6117 subdivides into five-digit "industries." It has only one:

Because there is a single child, the four-digit rollup and the five-digit detail are identical — every establishment, dollar of receipts, and employee counted under 6117 is also counted under 61171 (which in turn contains the single six-digit industry 611710). There is no aggregation across siblings to do, and no other activity folded in at this level. The scope (educational testing services, educational consultants, guidance and counseling, testing-and-evaluation services, student-exchange programs) and the deliberately narrow boundaries — academic tutoring to individuals sits in the sibling code 611691 (Exam Preparation and Tutoring), and actually running schools sits in 611110 / 611310 — all belong to the child primer.[3] See 61171, §2 for the five in-scope clusters and the full list of excluded neighbors.

3. How big it is (this level's rollup figures)

Because 6117 equals 61171, its federal statistics are the child's statistics. These figures size only the employer-firm slice — establishments with paid employees plus the Economic Census receipts base.

These come from different surveys and years, so they are not a single-year income statement. Our ground-truth file for this level (stats-6117.md) contains no industry-wide profit margin, growth rate, or nonemployer-receipts total, so we state none.

Undercount caveat — read it before trusting the $21.8 billion. The federal employer-firm figure materially understates the real footprint of "educational support," for structural reasons:

• Guidance counseling is mostly inside government payrolls. Most school counseling is delivered by counselors employed directly by public districts, whose headcount and pay land in public-education codes (NAICS 6111), not here; the Economic Census also excludes government-owned establishments outright.[4]

• Solo consultants and tutors are "nonemployers." County Business Patterns counts only establishments with paid staff,[1] so self-employed tutors and independent college advisors — a market estimated near $3 billion on its own — are invisible here.[8] Small-scale and individual ownership dominates the long tail, so the true activity base is larger than the table shows.

• Consumer tutoring and test-prep classes sit in the sibling code 611691, not this one — treat those market-research totals as adjacent, not additive.[6]

Conversely, much of the counted $21.8 billion concentrates in a few large nonprofits whose revenue is captured because they have paid staff: Educational Testing Service (ETS) reported about $1.1 billion in 2024 revenue, and the College Board about $955 million in program revenue.[12][13]

4. Investable universe (where the value sits)

With a single child, all of the investable exposure described for 61171 applies unchanged here. The headline facts:

• No large public pure-play exists. The cleanest listed exposure is indirect, through diversified parents — Graham Holdings (Kaplan), Pearson (assessment), Grand Canyon Education (university services), Stride (school curriculum and services), and the newly listed McGraw Hill — plus smaller, higher-risk online-tutoring and study-help names.[14][15][16][17][20]

• Most of the value is private. Private equity owns much of the district-software and testing infrastructure — PowerSchool (Bain Capital, $5.6B), Instructure/Canvas (KKR, $4.8B), Cambium (Veritas) — and franchising dominates bricks-and-mortar tutoring (Kumon, Mathnasium, Sylvan, Huntington).[10][21][22][23]

• The marquee test-makers cannot be bought at all. College Board and ETS are tax-exempt nonprofits.[12][13]

Full company table, tickers, and scale figures are in 61171, §4.

5. How the money works

A fee-and-contract business. Owners earn in five distinct ways, each with different margin math: per-test and per-credential fees (high operating leverage — building an exam is largely fixed cost, delivering one more is cheap); B2B contracts with districts, states, and colleges (recurring, budget-cycle-driven, judged on backlog and renewal rates); services-to-institutions / revenue share (fees, often a percentage of partner-university tuition); consumer fees for tutoring and counseling (labor-driven, thinner margins, ~$140/hour for independent consultants); and franchising royalties (asset-light, high-margin, risk pushed to local operators). See 61171, §5 for the detail, including outcomes-based contracting.[9][10][12][13][17]

6. Demand drivers

The same forces move the whole (single-child) level: government K-12 funding — including the roughly $190 billion ESSER (Elementary and Secondary School Emergency Relief) program whose money largely had to be committed by September 2024, now a fading tailwind;[24] learning-loss recovery and high-dosage tutoring;[27] legally required statewide assessment under ESSA (Every Student Succeeds Act);[26] college-admissions competition and the swing back toward test-required policies;[11] international student mobility (about 1.18 million students in 2024-25);[28] discretionary household spending on tutoring and private counseling; workforce credentialing; and artificial intelligence (AI) as a double-edged force — spawning new adaptive products while eroding easily-copied consumer study-help.[18][19] Demand is also seasonal, tracking testing windows and district budgets.

7. Regulation

No single federal regulator; a patchwork of privacy, accessibility, education, and procurement rules. The load-bearing ones: FERPA (Family Educational Rights and Privacy Act) on student records; COPPA (Children's Online Privacy Protection Act) on data from children under 13; ESSA's evidence standards, which increasingly gate which interventions districts may buy; and Section 504 / ADA (Americans with Disabilities Act) accessibility requirements on digital content and exams.[28][27] Independent consultants are essentially unregulated, relying on voluntary standards.[9] Full detail in 61171, §7.

8. Consolidation

The defining structural fact carries straight up from the child: the aggregate code is genuinely unconcentrated, but its most valuable sub-markets are near-monopolies. Federal data for this level show a fragmented whole — top-4 firms hold 16.8% of receipts, top-8 23.1%, top-20 34.4%, top-50 48.6%, with an HHI (Herfindahl-Hirschman Index) of just 105, far below the ~1,500 the government treats as "unconcentrated."[2] Yet college-admissions testing is effectively a duopoly (College Board and, post-deal, ETS-owned ACT), and district software is dominated by private-equity-owned Instructure/Canvas and PowerSchool.[11][21][22] Consolidation is accelerating as PE treats the testing-and-software layer as recurring-revenue, high-switching-cost infrastructure.

9. Risks

The child's risk list applies in full: government-funding cliffs (the ESSER expiry is the live cautionary case);[24] demographic headwind from flattening K-12 enrollment; AI substitution (Chegg's 14% revenue drop and $837M net loss in 2024 is the warning shot);[19] admissions-policy volatility; antitrust and reputational scrutiny of the dominant nonprofits;[13] data-privacy and accessibility liability; labor intensity and thin margins in human-delivered tutoring and counseling; and customer concentration with long, lumpy procurement cycles. Detail in 61171, §9.

10. How to invest, and the outlook

Because this level is 61171, the playbook is identical. Public routes are approximations, not pure-plays: diversified/large-cap proxies (Graham Holdings, Pearson, Grand Canyon Education, Stride, McGraw Hill), each carrying non-6117 businesses, plus small-cap, AI-exposed, unprofitable names (Nerdy, Chegg); note that the purest software plays were taken private in 2024, shrinking the listed set.[14][15][16][17][18][19][20][21][22] Private routes are where most capital actually goes — PE ownership of the testing-and-software infrastructure, franchising as the standard entry into bricks-and-mortar tutoring, and direct ownership of a tutoring center or counseling practice in the fragmented long tail.[9][10][11][21][22][23] The marquee brands (College Board, ETS) simply are not for sale.[12][13]

Net: a durable, cash-generative industry sitting on a large education base — with excellent economics at the concentrated top (testing, platforms) and commodity economics at the fragmented bottom (tutoring, consulting) — whose growth is unusually hostage to government budgets, admissions policy, and how fast AI reshapes what "support" families and schools will pay for. Underwrite the individual business model, not the broad NAICS label. For the complete analysis, read NAICS 61171.

---

Sources

Ground-truth figures for this level are from stats-6117.md (U.S. Census Bureau County Business Patterns 2023 and Economic Census 2022). Remaining citations are drawn from the child primer, NAICS 61171.

1. U.S. Census Bureau. County Business Patterns: 2023, NAICS 611710 (establishments, employment, annual and first-quarter payroll). https://www.census.gov/data/datasets/2023/econ/cbp/2023-cbp.html
2. U.S. Census Bureau. Economic Census 2022 — Concentration of Largest Firms (EC2200SIZECONCEN), NAICS 611710 (receipts, firms, CR4/CR8/CR20/CR50, HHI). https://data.census.gov/table/ECNSIZE2022.EC2200SIZECONCEN
3. U.S. Census Bureau. 2022 NAICS Definition — 611710 Educational Support Services (scope, examples, cross-references/exclusions). https://www.census.gov/naics/?details=61171&year=2022
4. U.S. Census Bureau. About the Economic Census: 2022 (government-owned establishments excluded from coverage). https://www.census.gov/programs-surveys/economic-census/year/2022/about.html
5. Grand View Research. U.S. Online Private Tutoring Market Report, 2030 (2024 size and CAGR). https://www.grandviewresearch.com/industry-analysis/us-online-private-tutoring-market-report
6. Marketplace (APM). "Inside the $3 billion independent college counseling industry," 2025. https://www.marketplace.org/story/2025/03/24/inside-the-3-billion-independent-college-counseling-industry
7. Independent Educational Consultants Association (IECA). "FAQs on the Independent Educational Consulting Profession" (consultant counts, hourly rates). https://www.iecaonline.com/news-publications/ieca-news-center/faqs-on-the-independent-educational-consulting-profession/
8. 1851 Franchise. "Top Tutoring and Test Prep Franchises to Consider for 2025" (Kumon, Mathnasium, Sylvan, Huntington franchise counts). https://1851franchise.com/top-tutoring-test-prep-franchises-2730098
9. Higher Ed Dive. "Testing specialist ETS acquires ACT," 2026. https://www.highereddive.com/news/testing-specialist-ets-acquires-act/824153/
10. ProPublica Nonprofit Explorer. "Educational Testing Service" — IRS Form 990 financials (2024). https://projects.propublica.org/nonprofits/organizations/210634479
11. Forbes (Scott White). "The College Board Exposed: Nonprofit or $1.6 Billion Testing Monopoly?" 2025. https://www.forbes.com/sites/scottwhite/2025/05/26/the-college-board-exposed-nonprofit-or-16-billion-testing-monopoly-in-disguise/
12. Graham Holdings Company. "Graham Holdings Company Reports 2024 and Fourth Quarter Earnings," 2025. https://www.ghco.com/news-releases/news-release-details/graham-holdings-company-reports-2024-and-fourth-quarter-earnings
13. Pearson plc. "Full Year Results 2024," 2025. https://plc.pearson.com/en-GB/investors
14. Stride, Inc. "Stride Achieves Another Record Year — Fiscal Year 2025 Results," 2025. https://investors.stridelearning.com/news/news-details/2025/Stride-Achieves-Another-Record-Year/default.aspx
15. Grand Canyon Education, Inc. "Reports Fourth Quarter 2024 Results," 2025. https://www.prnewswire.com/news-releases/grand-canyon-education-inc-reports-fourth-quarter-2024-results-302380595.html
16. Nerdy, Inc. "Nerdy Announces Fourth Quarter 2024 Financial Results," 2025. https://www.businesswire.com/news/home/20250227303890/en/Nerdy-Announces-Fourth-Quarter-2024-Financial-Results
17. EdTech Innovation Hub. "Chegg reports revenue drop, sues Google over AI impact on online learning," 2025. https://www.edtechinnovationhub.com/news/chegg-reports-24-revenue-drop-sues-google-over-ai-impact-on-online-learning
18. McGraw Hill, Inc. SEC Form 10-Q / 10-K filings (revenue; July 2025 IPO, NYSE: MH; Platinum Equity sponsor). https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=MH
19. Bain Capital. "PowerSchool to be Acquired by Bain Capital in $5.6 Billion Transaction," 2024. https://www.baincapital.com/news/powerschool-be-acquired-bain-capital-56-billion-transaction
20. K-12 Dive. "Instructure to be acquired by KKR for $4.8B," 2024. https://www.k12dive.com/news/instructure-kkr-acquisition-ed-tech/723020/
21. Veritas Capital / Cambium Learning Group. "About Us" (curriculum, assessment, literacy, intervention). https://www.cambiumlearning.com/about-us
22. McKinsey & Company. "When the money runs out: K-12 schools brace for stimulus-free budgets" (ESSER funding cliff), 2024. https://www.mckinsey.com/industries/education/our-insights/when-the-money-runs-out-k-12-schools-brace-for-stimulus-free-budgets
23. National Center for Education Statistics (NCES). School Pulse Panel, 2023-24 (share of public schools offering high-dosage tutoring; perceived effectiveness). https://nces.ed.gov/surveys/spp/
24. Institute of International Education. "Open Doors 2025: International Student Enrollment Data" (1,177,766 students, 2024-25). https://www.iie.org/news/open-doors-2025-press-release/
25. U.S. Department of Education, Student Privacy Policy Office. "Who Is a 'School Official' Under FERPA?" https://studentprivacy.ed.gov/faq/who-school-official-under-ferpa
26. U.S. Department of Education. "Every Student Succeeds Act: Assessment Factsheet" (annual grades 3-8 and once-in-high-school testing). https://www.ed.gov/policy/elsec/leg/essa/essaassessmentfactsheet1207.pdf
27. Federal Trade Commission. "Complying with COPPA: Frequently Asked Questions." https://www.ftc.gov/business-guidance/resources/complying-coppa-frequently-asked-questions
28. U.S. Department of Education. "Disability Discrimination: Technology Accessibility" (Section 504 / ADA Title II). https://www.ed.gov/laws-and-policy/civil-rights-laws/disability-discrimination/disability-discrimination-technology-accessibility