Company lists · Data refreshed September 2026

Top 25 Educational tutoring platforms based in San Francisco, United States

Name: Educational tutoring platforms based in San Francisco, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 98 companies tracked

RevenueBase identified 98 educational tutoring platforms headquartered in San Francisco, United States as of September 2026 and tracks 5,515 professional contacts across them, including 976 with verified work emails. Across the United States, New York is the largest hub for this category (235 companies); San Francisco has 98.

This list covers educational tutoring platforms headquartered in San Francisco, 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 28, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

98Companies

5,515Contacts tracked

976Verified emails

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The 25 largest educational tutoring platforms based in San Francisco, United States

Ranked by team size

Top 25 of 98 educational tutoring platforms based in San Francisco, United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to educational tutoring platforms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Outschool	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	n/a	1,426 contacts →
	Indirect evidence “Outschool is an online learning marketplace built around kids' actual interests, not a standardized curriculum or a system that decides what they should learn when.” Source: RevenueBase Database · checked Sep 28, 2026
2	Quizlet	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	201-500	545 contacts →
	Indirect evidence “Quizlet is a leading consumer learning brand that builds learning tools to inspire and empower students and teachers.” Source: RevenueBase Database · checked Sep 28, 2026
3	Booknook	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	51-200	416 contacts →
	Partial evidence “BookNook is a research-based tutoring solution delivering high-impact reading and math intervention for K–8 students.” Source: RevenueBase Database · checked Sep 28, 2026
4	Classera	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	201-500	405 contacts →
	Partial evidence “Classera stands with a mission to disrupt the education ecosystem, focusing on developing smart e-learning solutions that transform today’s traditional classrooms into a new…” Source: RevenueBase Database · checked Sep 28, 2026
5	Study Smart Tutors	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	n/a	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 28, 2026
6	Mentor Match	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	51-200	348 contacts →
	Strong evidence “Mentor Match is a personalized 1-on-1 online tutoring platform helping students excel in global curricula such as IB, British, and American.” Source: RevenueBase Database · checked Sep 28, 2026
7	Graphy INC	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	51-200	324 contacts →
	Indirect evidence “Welcome to Graphy!” Source: RevenueBase Database · checked Sep 28, 2026
8	Evelyn Learning Systems	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	201-500	318 contacts →
	Partial evidence “Evelyn Learning builds AI-powered products for education companies worldwide.” Source: RevenueBase Database · checked Sep 28, 2026
9	Edpuzzle	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	201-500	287 contacts →
	Indirect evidence “At Edpuzzle, we've been on both sides of the classroom, because so many of us started our journey as teachers.” Source: RevenueBase Database · checked Sep 28, 2026
10	Juni Learning	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	51-200	166 contacts →
	Indirect evidence “Juni Learning is on a mission to help students achieve their dreams.” Source: RevenueBase Database · checked Sep 28, 2026
11	Pencil Spaces	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	11-50	106 contacts →
	Indirect evidence “Pencil Spaces consolidates a complete virtual classroom into one browser tab, providing video calls, unlimited whiteboards, chats, file sharing, and more.” Source: RevenueBase Database · checked Sep 28, 2026
12	Tutor Corps	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	51-200	59 contacts →
	Partial evidence “Tutor Corps has been in the education business since 2002, providing individualized support to students in grades K-12 for subjects ranging from English, math, social studies, and…” Source: RevenueBase Database · checked Sep 28, 2026
13	Happy Numbers	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	51-200	46 contacts →
	Indirect evidence “HappyNumbers.com® helps PK-5 teachers differentiate instruction and deepen students’ conceptual understanding of math.” Source: RevenueBase Database · checked Sep 28, 2026
14	Achievable	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	n/a	40 contacts →
	Indirect evidence “Achievable offers modern, guided, and personalized test prep that delivers better results in half the time.” Source: RevenueBase Database · checked Sep 28, 2026
15	UMETY	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	51-200	37 contacts →
	Strong evidence “Umety is an immersive technology platform for impact in education.” Source: RevenueBase Database · checked Sep 28, 2026
16	Engageli	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	51-200	37 contacts →
	Indirect evidence “Engageli is a purpose-built comprehensive learning environment designed by leading educators to foster active, collaborative learning, and deeper peer-to-peer connections.” Source: RevenueBase Database · checked Sep 28, 2026
17	Xreadylab AI Stem Tutor Curriculum-Aligned Stem Simulations CTE	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	11-50	34 contacts →
	Strong evidence “XReadyLab – AI STEM Tutor & the World’s Largest Web/VR STEM Simulation Library XReadyLab is a leading EdTech platform delivering AI-powered STEM tutoring and the largest library…” Source: RevenueBase Database · checked Sep 28, 2026
18	English Ninjas	Partial evidence	San Francisco, United StatesHQ checked Sep 28, 2026	11-50	26 contacts →
	Partial evidence “English Ninjas is an online platform that connects people with native English speaking tutors to improve their English with live video or audio chat sessions.” Source: RevenueBase Database · checked Sep 28, 2026
19	Educato AI YC S24	Indirect evidence	San Francisco, United StatesHQ checked Sep 28, 2026	1-10	18 contacts →
	Indirect evidence “Educato uses AI to create high-quality exam prep for underserved students worldwide.” Source: RevenueBase Database · checked Sep 28, 2026
20	Edvisor	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	11-50	16 contacts →
	Strong evidence “Edvisor is an AI-powered courseware and assessment platform for higher education.” Source: RevenueBase Database · checked Sep 28, 2026
21	Answersai	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	1-10	15 contacts →
	Partial evidence “AnswersAi is an AI-powered solution to help students get instant homework help via our mobile or desktop platform.” Source: RevenueBase Database · checked Sep 28, 2026
22	Youlearn	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	1-10	15 contacts →
	Indirect evidence “An AI Tutor Personalized to Each Student” Source: RevenueBase Database · checked Sep 28, 2026
23	Studdy	Indirect evidence	San Francisco, United StatesHQ checked Sep 28, 2026	1-10	12 contacts →
	Indirect evidence “At Studdy, our mission is to unlock the full potential of the next generation by providing a personalized AI tutor for every student.” Source: RevenueBase Database · checked Sep 28, 2026
24	Jungle	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	1-10	12 contacts →
	Indirect evidence “Making great studying 10x easier.” Source: RevenueBase Database · checked Sep 28, 2026
25	Wise Panda	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	11-50	11 contacts →
	Partial evidence “Our mission is to make education accessible to all by creating the world's #1 tutor-student marketplace - starting with Chinese Mandarin.” Source: RevenueBase Database · checked Sep 28, 2026

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: educational tutoring platforms. 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 educational tutoring platforms.
Partial evidence: Its own public description names part of educational tutoring platforms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name educational tutoring platforms. 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 98 educational tutoring platforms based in San Francisco, United States

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Educational tutoring platforms based in San Francisco, United States at a glance

As of Sep 28, 2026

17.7%Verified-email coverage

56.3Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for San Francisco, so it is reported there. Company counts and contact totals on this page are exact for San Francisco, over 98 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 educational tutoring platforms, 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 San Francisco, United States whose own description of what they do matches “educational tutoring platforms”. 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 educational tutoring platforms), 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 educational tutoring platforms, and records with no verified work email. Companies headquartered outside San Francisco 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, 976 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 28, 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.

Educational tutoring platforms by metro in the United States

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 educational tutoring platforms, 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 educational tutoring platforms are there based in San Francisco, United States?

RevenueBase identified 98 educational tutoring platforms headquartered in San Francisco, 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?

Outschool, headquartered in San Francisco, tops this list with the largest team on record.

Which city in the United States has the most educational tutoring platforms?

New York leads the United States with 235 headquartered companies, followed by Los Angeles (101) and San Francisco (98).

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 976 verified decision-maker contacts tracked across these 98 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 28, 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.