Best K-12 EdTech Companies in Seattle, United States
The 46 best K-12 EdTech companies in Seattle, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Apex Learning.
Our analysis of 50 K-12 EdTech companies
$1.5b in tracked funding; 100% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best K-12 EdTech companies in Seattle
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Apex Learning Provider of virtual learning curriculum for K-12 and professional services | $17M | 111 mo ago | Acqui-Hired | — | 1997 | — | 10 patents Real-time performance and enrollment alert system for online learning platforms | — |
| 2 | Classmates Social platform to connect with alumni | $11M | 319 mo ago | Acquired | — | 1995 | TypeScriptGraphQLEnvoy+31 | — | — |
| 3 | Headsprout Provider of online adaptive reading proficiency solutions for students | $10M | 197 mo ago | Acquired | — | 1999 | — | 11 patents Adaptive educational software for music pitch training and reading comprehension assessment | — |
| 4 | BridgeCare Provider of childcare management software solutions | $10M | 30 mo ago | Series A | — | 2016 | ReactGatsbycore-js+14 | — | 2 partnerships · 1 award |
| 5 | Alongside Online platform offering mental health-related courses | $6M | 47 mo ago | Acquired | Scott Freschet Co-Founder | 2022 | Webflow EcommerceWebflowSentry+22 | — | — |
| 6 | SynapticMash SaaS platform for assessments | $5M | 193 mo ago | Acquired | — | 2007 | — | — | — |
| 7 | Novel Effect Interactive read-alouds with music and sound effects for engaging storytime | $4M | 99 mo ago | Series A | Matthew Hammersley Co-Founder & CEO | 2015 | WordPressMySQLPHP+32 | — | — |
| 8 | TeachStreet.com Marketplace for online and offline tutoring | $3M | 206 mo ago | Acquired | Dave Schappell Founder and CEO | 2007 | — | — | — |
| 9 | Enlearn Adaptive learning platform for students | $3M | 129 mo ago | Funding Raised | Zoran Popovic Founder | 2012 | — | — | — |
| 10 | Kadama Mobile-based platform providing tutor discovery solution | $2M | 62 mo ago | Seed | Marwan El-Rukby Co-Founder | 2017 | WebflowApache HTTP ServerGoogle Tag Manager+11 | — | — |
| 11 | Actively Learn E-reading platform for students | $1M | 124 mo ago | Acquired | — | 2012 | WebflowUnbounceAtlassian Statuspage+23 | 7 patents Automated short-answer grading for educational assessment | — |
| 12 | Teaching It Right SaaS-driven platform offering social-emotional learning solutions for kids with autism | $1M | 88 mo ago | Funding Raised | Andrea Johnson Owner | 2014 | — | — | — |
| 13 | Highlighter Digital publishing platform | $630K | 176 mo ago | Acquired | Josh Mullineaux Co-Founder | 2010 | — | — | — |
| 14 | 6crickets Marketplace platform for summer camps and after-school programs | $225K | 91 mo ago | Funding Raised | Helen Wang Co-Founder & CEO | 2014 | TypeScriptGoogle MapsAngular+17 | 2 patents Software for automated and interactive business activity scheduling | 1 partnership |
Top 12 K-12 EdTech companies in Seattle
#1
Series A · Seattle, Washington · founded 2016 · 13 employees$10.1Mraised▾
Provider of childcare management software solutions. The platform offers data management solutions, community management solutions enrollment enhancement solutions, communication solutions, and more. The platform also offers solutions for local organizations, government, and schools.
- Feb 2024Series A$10M
- Jun 2020Seed$100K
- 2018Seed$20K
#2
Acquired · Seattle, Washington · founded 2022 · 17 employees$5.5Mraised▾
Online platform offering mental health-related courses. Its platform uses a chatbot that helps users to share their struggles and get recommendations for exercises and videos that help them feel better.
- Aug 2022Seed$5.5M
#3
Acqui-Hired · Seattle, Washington · founded 1997 · 354 employees$17.3Mraised▾
Apex Learning provides a virtual learning curriculum for K-12 and professional services. Also provides credit-based NCAA-approved virtual schools for full-time or for individual classrooms. Offers courses in math, English, science, social studies, world languages, and electives. Customized tutorials for each state. Plugged-in educational apps and games in the curriculum.
- May 2017Series B—
- Jun 2013Conventional Debt—
- Jun 2013Series B$8.3M
- May 2013Series B$3M
#4
Seed · Seattle, Washington · founded 2017 · 24 employees$1.7Mraised▾
Mobile-based platform providing tutor discovery solution. The platform enables users to book tutors for subjects such as math, English, and more. The platform also enables tutors to register and schedule tuitions. Its mobile app is available for iOS devices.
- Jun 2021Seed$1.7M
#5
Acquired · Seattle, Washington · founded 1999 · 65 employees$10.4Mraised▾
Provider of online adaptive reading proficiency solutions for students. It offers an adaptive reading solution for parents and teachers to enable their kids in vocabulary building, fluency building, error correction, and more. Students interact with its online episodes and read printable eBooks to develop basic reading fundamentals. Advanced learners can learn reading comprehension, including finding facts, making inferences, identifying themes, and learning vocabulary in context.
- Mar 2010Series D$256.8K
- Mar 2007Series D$8M
- Sep 2001Unattributed$2.1M
#6
Acquired · Seattle, Washington · founded 2007 · 25 employees$5.3Mraised▾
SynapticMash provides a cloud-based formative assessment platform. Products include LearningQube, which provides assessments management, grade books, curriculum management, parental access, secured social networking and analytical and reporting capabilities to educators. Teachers can modify lessons during the progression of a course, based on their students' levels of understanding. In 2009, SynapticMash had revenues of $700,000 and recorded a loss of $2.5 million.
- Jun 2010Series A$891K
- Sep 2009Series A$200K
- May 2009Series A$1.2M
- Jul 2008Series A$3M
#7
Acquired · Seattle, Washington · founded 1995 · 133 employees$11Mraised▾
Social platform to connect with alumni. It enables users to reconnect with high school friends and browse yearbooks together.
- Jan 2000Series A$11M
#8
Series A · Seattle, Washington · founded 2015 · 31 employees$4.3Mraised▾
Interactive read-alouds with music and sound effects for engaging storytime. It enhances reading experiences with interactive music and sounds that respond to your voice, transforming books into captivating adventures. This innovative approach fosters a love of reading, develops early literacy skills, and ensures enjoyable story times. The company offers a vast library of expertly curated books with custom-designed soundscapes that strengthen fluency, build vocabulary, and increase engagement. It provides solutions for individuals, schools, districts, and public libraries, offering flexible subscription plans and resources. It is a SaaS platform that integrates seamlessly into existing curricula, making reading more fun and effective. It promotes social, emotional, and cognitive growth through the magic of interactive read-alouds. The platform offers features like a mobile app, web access, book activities, read-aloud calendars, and funding resources. It is a B2C and B2B platform with a social impact on literacy.
- May 2018Series A$4.2M
- Jul 2017Seed$120K
- 2017Seed—
- 2017Seed—
#9
Acquired · Seattle, Washington · founded 2007$3.5Mraised▾
TeachStreet is a platform providing information for students on local and online classes, teachers with their charged prices, location, and background. Also provides online business management tools for teachers and schools. Includes student reviews and teacher recommendations. Charges students a 5% for booking and charges and teachers a 4.9% processing fee.
- May 2009Series A$1.2M
- Mar 2008Series A$2.2M
#10
Funding Raised · Seattle, Washington · founded 2012 · 10 employees$3Mraised▾
Adaptive learning platform for students. By synthesizing the thought processes needed to complete any one problem, the system creates infinite problems and texts that are relevant to each academic goal. With the help of machine learning, the system adapts and creates relevant learning paths for individuals. Adapts not only for an individual student, but can optimize learning for student pairs, small groups, and the classroom as a whole and even provides recommendations for what the teacher should do next to increase learning.
- Nov 2015Grant (prize money)$3M
#11
Funding Raised · Seattle, Washington · founded 2014$1Mraised▾
SaaS-driven platform offering social-emotional learning solutions for kids with autism. The platform allows students to develop foundational skills, communication skills, behavioral & social awareness, and more. Additionally, it provides learning solutions for schools.
- Apr 2019Grant (prize money)$800K
- Jun 2017Grant (prize money)$225K
#12
Acquired · Seattle, Washington · founded 2012 · 22 employees$1Mraised▾
Actively Learn is an e-reading platform that targets students reading comprehension and retention. Teachers can customize instruction, provide real-time feedback, allow peers to collaborate, and get analytics on student performance. Offers assignments with questions based on the reading material. Teachers can embed questions, notes, and multimedia into the material according to their convenience.
- Apr 2016Unattributed—
- Sep 2015Grant (prize money)$1M
- Apr 2015Seed$1M
- Jan 2014Grant (prize money)$150K
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of K-12 EdTech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Education Technology is moving in the United States
A read on the academic research around Education Technology — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 4,451 United States-affiliated papers.
- Purdue University West Lafayette107
- North Carolina State University61
- Michigan State University61
- University of Florida57
- Carnegie Mellon University56
- Adaptive learning3→51
- Analytics2→42
- Learning analytics6→44
- Educational technology6→37
- Artificial neural network1→27
- Educational technology84→423
- Experiential learning13→154
- Higher education4→126
- Curriculum23→137
- Learning analytics28→135
- Educational technology79→257
- Higher education7→109
- Professional development11→74
- Curriculum19→74
- Transformative learning2→55
Where edtech is researched across United States
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing edtech patents in the United States
United States edtech patent filing is accelerating — 2,649 filings from 804 assignees (2016–2025), led by Google, Microsoft, Adobe; annual filings 32→533.
- Google131
- Microsoft123
- Adobe110
- Equifax107
- IBM94
- Oracle64
- Capital One Services58
- Qualcomm55