Primer
Miami, US · 9 known investors
Primer operates a network of microschools based on a one-room schoolhouse model that combines in-person learning with technology. It runs physical campuses across the U.S., with locations in Florida, Alabama, Arizona and expanding to Texas.
Also known as Primer Microschools
Founders & leadership
Investors · 9
Also in the syndicate · 2
Funding
SEC filings, press & company announcements$100M disclosed across 1 round · 2026
- $100MSeries CMay 2026 · 6 sources
Sofina (lead), Accel, Balderton, ICONIQ, Peak XV Partners, Speedinvest, Tencent
Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
Company profile
researched Aug 2026Primer operates a network of small, in-person K-8 schools modeled on the one-room schoolhouse, with mixed-grade classrooms (for example combined K-2 groups) and small campuses. Its stated academic focus is mastery of reading, writing, and mathematics, framed around what it calls the building blocks of alphabet, arithmetic, and agency, alongside self-directed student projects called "Pursuits." The company describes a deliberately selective use of classroom technology rather than a maximal or minimal approach.
The company began as an online education business. Its original product gave parents infrastructure for homeschooling, including a Navigator tool for meeting state homeschooling compliance requirements, a library of digital instructional resources, and interest-based clubs allowing students from across the country to study topics in depth. In April 2022 Primer announced its Microschools product, opening its first sites in Miami in August 2022 for third through sixth graders, with each school intended for roughly 10 to 20 students and built around technology-enabled, self-paced learning supported by one-on-one attention from Primer educators. By December 2022 the internet-only products had been paused and Microschools became the sole way to access Primer.
Primer positions itself as an alternative to what its CEO Ryan Delk has described as a "public-private duopoly" in American K-12 education, arguing that the conventional system is oriented toward college admission and job placement rather than helping students reach their potential.
Founding story
Primer was co-founded in 2019 by Ryan Delk (CEO) and Maksim Stepanenko (CTO), who were introduced by On Deck co-founder Erik Torenberg. Delk was homeschooled in Florida for about nine years by his mother, a former public school teacher, attended the University of Florida, dropped out, and worked in tech in San Francisco at Gumroad and then the storage startup Omni. Stepanenko attended traditional school in Kyrgyzstan, where homeschooling was illegal, won medals at the International Physics Olympiads, studied at MIT, interned at Google, and spent five years as an engineer at Coinbase. The pair launched Primer as an online alternative to conventional education, with the platform debuting in November 2019.
Business model
Primer operates its own in-person microschool campuses, charging tuition to families and using state scholarship and funding programs to keep tuition accessible. Its earlier model offered internet-only homeschooling support products, including a compliance Navigator, a digital instruction library, and interest-based clubs; those were sunsetted in favor of the school network.
Tuition paid by families for enrollment at Primer campuses, supplemented by state scholarship and funding programs the company says it leverages to keep tuition accessible.
Traction
Primer had 18 employees and $18.7 million in total funding as of April 2023, and four South Florida campuses as of July 2023. Investors named in secondary coverage include Founders Fund, Khosla Ventures, Sam Altman, Lachy Groom, Ryan Petersen, and Tony Xu.
Latest developments
Primer's site presents programs across grades K-2, 3-5, and 6-8, along with tuition, real estate, fellowship, newsroom, and careers sections, indicating an operating multi-campus school network.
▸Full profile — market position, technology, go-to-market, geography, history
Market position
Primer competes in the US K-12 education market as a microschool operator offering an alternative to public and private schools. Contrary Research framed its opportunity against widespread dissatisfaction with US public education, citing that only 42% of US adults surveyed by Gallup in 2022 were satisfied with K-12 education and that the US spends $764.7 billion annually on public education.
Primer combines physical, small-scale campuses with mixed-age classrooms and self-paced, technology-enabled instruction, positioning itself against both traditional public and private schooling. It emphasizes accessibility by using state scholarship and funding programs to lower tuition, and student agency through self-directed "Pursuits" projects.
Technology
Primer's schools use technology-enabled, self-paced learning programs that let students progress at their own speed with one-on-one support from educators. The company describes its stance as "the right tech": tools chosen to serve learning and cultivate digital habits rather than maximizing or minimizing screen use. Its earlier online products included a homeschooling compliance Navigator and a digital instruction library.
Go-to-market
Primer markets directly to parents through its website, with enrollment and admissions funnels, campus-finder tools, and published tuition information. It also runs a fellowship program and recruits educators directly, and highlights parent testimonials as social proof.
Families with children in kindergarten through eighth grade seeking an alternative to conventional public and private schools; initially, homeschooling parents.
Geography
Primer's campuses began in Miami and, as of July 2023, comprised four South Florida locations: Coconut Grove, Liberty City, the Miami Health District, and Kendall. Contrary Research listed the company's headquarters as San Francisco, California, as of April 2023.
History
Primer launched publicly in November 2019 with free homeschooling resources for parents. When the COVID-19 pandemic pushed families into homeschooling, the company expanded its beta beyond existing homeschoolers. In April 2022 it announced Microschools after hiring Ian Bravo, previously founding principal at KIPP Miami, and opened its first campuses in Miami in August 2022 for grades three through six. By December 2022 Microschools had become the company's core offering, with homeschooling and Clubs products retired. As of July 2023 it operated four South Florida campuses in Coconut Grove, Liberty City, the Miami Health District, and Kendall. The company now offers programs spanning kindergarten through eighth grade and runs a fellowship program for educators.
Compiled by commissioned research from 8 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Timeline · 4
launches, deals, and filingsAs of July 2023, Primer operated four campuses in Coconut Grove, Liberty City, Miami Health District, and Kendall.
As Microschools rolled out in the 2022-2023 school year, Primer sunsetted its homeschooling and Clubs products, making Microschools its core offering.
Primer opened its first Microschool locations in Miami for students in third through sixth grade, designed for 10-20 students each, with plans to expand to other states.
Primer announced the launch of its in-person Microschools product after hiring Ian Bravo, who had previously built microschools in Florida.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
In the news
▸Research sources · 8
primary sources listed
- Primerwithprimer.com · web
8 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Primer do?
- Primer runs a network of small in-person K-8 microschools with mixed-age classrooms and self-paced, teacher-led instruction.
- Who founded Primer?
- Primer was founded by Ryan Delk.
- Who are Primer's investors?
- Primer's investors include Designer Fund, Worklife Ventures, Accel, ICONIQ, Peak XV Partners, Sofina, Speedinvest.
- How much funding has Primer raised?
- Primer has disclosed $100M raised across 1 round.
- Where is Primer headquartered?
- Primer is headquartered in Miami, US.
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