Company lists · Data refreshed September 2026
Top 25 Standardized test preparation companies based in the United States
RevenueBase identified 1,297 standardized test preparation companies headquartered in the United States as of September 2026 and tracks 26,245 professional contacts across them, including 3,880 with verified work emails. New York is the largest hub.
This list covers standardized test preparation companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 22, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest standardized test preparation companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 5,142 contacts → | ||||
Indirect evidence “College Board is a not-for-profit organization that clears a path for all students to own their future through the Advanced Placement Program, the SAT, Official SAT Practice on…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 2 | 2,673 contacts → | ||||
Indirect evidence “With more than 45 years of experience, more than 710 points of presence and millions of families with results, Sylvan Learning is the leading provider of Personalized Learning for…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 3 | 2,663 contacts → | ||||
Partial evidence “At Huntington Learning Center, we are the leading tutoring and test prep provider for the K-12 market.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,523 contacts → | ||||
Partial evidence “For more than 35 years, students have trusted The Princeton Review to provide resources for better grades, higher test scores, and stronger applications.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,013 contacts → | ||||
Indirect evidence “C2 Education has helped high-performing students get into their dream schools for 25 years.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 6 | 356 contacts → | ||||
Indirect evidence “Study Smart Tutors Inc was founded to help students from varying economic backgrounds build confidence, develop learning skills, and realize their college dreams.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 7 | 225 contacts → | ||||
Strong evidence “Bay Area's leader in 1-1 Test Preparation, Academic Tutoring, and College Admissions Counseling At AJ Tutoring, we believe every student deserves personalized support that meets…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 8 | 223 contacts → | ||||
Indirect evidence “Since 1987, Elite Educational Institute has been helping students reach their educational goals through our flexible and proven system of courses and personal academic counseling.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 9 | 178 contacts → | ||||
Partial evidence “Founded in 2004 by educators, Compass Education Group is one of the world’s leading test prep and tutoring companies.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 10 | 168 contacts → | ||||
Indirect evidence “Collegewise has guided more than students through their college admissions journeys, and we can help you in today's changing academic world.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 11 | 166 contacts → | ||||
Indirect evidence “Juni Learning is on a mission to help students achieve their dreams.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 12 | 152 contacts → | ||||
Strong evidence “Private Prep is an elite tutoring service offering individually customized lessons for a wide range of K-College school subjects, standardized test prep, college admissions…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 13 | 133 contacts → | ||||
Partial evidence “We transform lives by giving students the skills and self-beliefs to achieve their goals through test prep, AP & academic tutoring, and executive function coaching.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 14 | 121 contacts → | ||||
Indirect evidence “For 30 years, Summit Educational Group has become one of the most successful and well-respected tutoring companies in the country.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 15 | 118 contacts → | ||||
Indirect evidence “For over 30 years, Khan's Tutorial has stood as a pillar of academic excellence and student achievement.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 16 | 100 contacts → | ||||
Partial evidence “K-12 Tutorial Services Specializing in Reading, Math and Study Skills; ACT/SAT/AHSGE/College Entrance Exam Preparation.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 17 | 94 contacts → | ||||
Indirect evidence “Clubz In Home Tutoring is a higher education company based out of 5 Margaret Dr, Somerset, New Jersey, United States.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 18 | 92 contacts → | ||||
Indirect evidence “At Academic Approach, we are an organization of educators, expert in the college-readiness space with passion for raising student achievement on college-entrance exams.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 19 | 92 contacts → | ||||
Indirect evidence “Bespoke Education, Inc.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 20 | 89 contacts → | ||||
Partial evidence “KD College Prep is committed to helping college-bound students reach their scholastic potential by preparing them for the PSAT/NMSQT® test, SAT® test, and ACT® test.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 21 | 88 contacts → | ||||
Partial evidence “As an in-home and online tutoring company, we specialize in providing personalized 1-on-1 tutoring and test prep from highly qualified tutors.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 22 | 87 contacts → | ||||
Indirect evidence “Cram Crew is your go-to resource for all things academic.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 23 | 87 contacts → | ||||
Indirect evidence “Featured on the front page of New York Times, ThinkTank Learning is a forward-thinking educational development company headquartered in San Jose, California.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 24 | 83 contacts → | ||||
Indirect evidence “Nurturing Wisdom provides 1:1 in-home & online tutoring in Chicagoland and beyond.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 25 | 77 contacts → | ||||
Indirect evidence “We know that every student is different.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: standardized test preparation companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names standardized test preparation companies.
- Partial evidence
- Its own public description names part of standardized test preparation companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name standardized test preparation companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 1,297 standardized test preparation companies based in the United States
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Standardized test preparation companies based in the United States at a glance
As of Sep 22, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,297 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among standardized test preparation companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “standardized test preparation companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names standardized test preparation companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among standardized test preparation companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 3,880 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 22, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Standardized test preparation companies by metro
- Standardized test preparation companies in New York107
- Standardized test preparation companies in Los Angeles30
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names standardized test preparation companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many standardized test preparation companies are there based in the United States?
RevenueBase identified 1,297 standardized test preparation companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
The College Board, headquartered in New York, tops this list with the largest team on record.
Which city has the most standardized test preparation companies?
New York leads with 107 headquartered companies, followed by Los Angeles (30) and Chicago (23).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 3,880 verified decision-maker contacts tracked across these 1,297 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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