# Classtime

> Classtime is a Zurich- and US-based education technology company building a web-based platform for formative and summative assessments. Teachers use it to create and grade quizzes, run collaborative challenges, and watch student understanding update in real time across any device. Founded in 2016, it serves hundreds of thousands of teachers and learners in more than 60 countries, with a free library of 30,000+ standards-aligned questions and a focus on grounding its design in learning science.

- **Founded:** 2016
- **Headquarters:** Zurich, Switzerland
- **Founders:** Valentin Ruest (Founder & Co-CEO (US)), Jan Rihak (Co-CEO (DACH/Europe)), Micha Rise (CTO)
- **Team size:** ~53 employees (Apollo); ~36 per Latka 2025
- **Products:** Formative & Summative Assessments, Question Library, Collaborative Challenges, Real-Time Analytics Dashboard, AI Content Generation
- **Notable:** Earned Digital Promise's Research-Based Design: ESSA Tier 4 certification (August 2025), Earned Digital Promise's Evidence-Based EdTech: ESSA Tier 3 certification (January 2026), joining roughly a dozen certified providers, Joined Google for Education's Integrated Solutions Initiative (2021)

## Products & services

- **Formative & Summative Assessments** — A web-based platform for creating, conducting, and auto-grading digital assessments with real-time feedback on student understanding.
- **Question Library** — A free library of 30,000+ standards-aligned questions, including content handcrafted with partners like Khan Academy, across nine question types.
- **Collaborative Challenges** — Gamified, narrative-driven classroom activities where students solve a shared problem individually, in teams, or as a whole class.
- **Real-Time Analytics Dashboard** — A teacher dashboard with descriptive, predictive, and prescriptive analytics that surfaces participation and progress per student instantly.
- **AI Content Generation** — AI-assisted tools that help teachers generate questions and assessment content quickly.
- **Integrations** — Works with Google Classroom and other tools; part of Google for Education's Integrated Solutions Initiative.

## Achievements

- Earned Digital Promise's Research-Based Design: ESSA Tier 4 certification (August 2025)
- Earned Digital Promise's Evidence-Based EdTech: ESSA Tier 3 certification (January 2026), joining roughly a dozen certified providers
- Joined Google for Education's Integrated Solutions Initiative (2021)
- Built a free library of 30,000+ standards-aligned questions
- Grew to serve teachers and learners in 60+ (reported up to 90+) countries
- Secured Series A growth financing from Swiss Post Ventures and SuperCharger Ventures (2024)

## Latest updates

- **2026-01** — Earned Digital Promise's Evidence-Based EdTech: ESSA Tier 3 product certification.
- **2025-08** — Awarded Digital Promise's Research-Based Design: ESSA Tier 4 product certification.
- **2024-02** — Secured Series A growth financing led by Swiss Post Ventures and SuperCharger Ventures.
- **2023-06** — Appointed Adam Eberle to its Board of Directors.
- **2021-09** — Joined Google for Education's Integrated Solutions Initiative.

## Links

- Website: https://classtime.com
- LinkedIn: https://www.linkedin.com/company/classtime
- Twitter/X: https://twitter.com/classtimecom
- Facebook: https://facebook.com/classtime

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Profile page: https://yespress.io/classtime
Published by YesPress — https://yespress.io
Last updated: 2026-06-15