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Piazza is a social learning platform connecting students, instructors and employers.
Piazza has raised $18.6M across 5 funding rounds.
Piazza has raised $18.6M in total across 5 funding rounds.
Piazza is designed to connect students, TAs, and professors so every student can get the help they need when they need it. Millions of students across thousands of campuses are using Piazza for their classes.
Piazza is a social learning platform designed to connect students, instructors, and, more recently, employers, creating a collaborative digital environment for academic and professional growth. The platform enables real-time question-and-answer discussions, resource sharing, and peer-to-peer learning, serving as a central hub for communication in educational settings. Piazza is widely used in higher education and K-12 institutions, helping instructors streamline classroom management, reduce email overload, and foster student engagement. Its recent expansion into employer connections signals a move toward bridging academic learning with career opportunities, positioning Piazza as a key player in the evolving edtech ecosystem.
Piazza solves the challenge of fragmented communication in large classes by providing a centralized, wiki-style Q&A forum where students and instructors can interact efficiently. The platform’s growth momentum is evident in its adoption by over 50,000 professors across 2,000 schools and 90 countries. Its intuitive interface, robust feature set—including anonymous posting, instructor endorsements, and real-time updates—has made it a staple in modern classrooms, driving both academic engagement and operational efficiency.
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Piazza was founded in 2009 by Pooja Sankar, a former software engineer at Google, Facebook, and Microsoft. Inspired by her own experiences as a student feeling isolated in large lecture halls, Sankar envisioned a platform that could democratize classroom participation and make learning more collaborative. The idea emerged from her desire to create a space where every student, regardless of background or confidence level, could ask questions and receive answers in a supportive environment.
Piazza launched with a focus on higher education, quickly gaining traction among universities seeking to improve student engagement and reduce instructor workload. Early adopters included Stanford and other top-tier institutions, validating the platform’s utility. Over time, Piazza expanded its feature set and user base, evolving from a simple Q&A board into a comprehensive social learning platform with integrations for major learning management systems and mobile accessibility.
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Piazza is riding the wave of digital transformation in education, a trend accelerated by the global shift to remote and hybrid learning. The platform’s focus on community-driven learning aligns with broader market forces favoring collaborative, student-centered approaches to education. As institutions seek to enhance engagement and streamline communication, Piazza’s model offers a scalable solution that benefits both educators and learners.
Moreover, Piazza’s expansion into employer connections reflects a growing recognition of the importance of bridging academic learning with real-world career opportunities. This positions Piazza at the intersection of edtech and workforce development, influencing how students prepare for and transition into professional environments.
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Piazza’s future lies in its ability to continue innovating at the intersection of education and career development. As the demand for lifelong learning and skills-based hiring grows, Piazza is well-positioned to expand its employer network and deepen its impact on student outcomes. The platform’s emphasis on community, collaboration, and accessibility will remain central to its evolution, shaping the way students learn, connect, and succeed in an increasingly digital world.
Piazza’s journey from a classroom Q&A tool to a comprehensive social learning and career platform underscores its enduring mission: to empower every learner to ask, answer, and explore—whenever, wherever.
Piazza has raised $18.6M in total across 5 funding rounds.
Piazza's investors include Hakuhodo, Shinkin Capital, 隆康雙木, Takeo Harada, Masaaki Ando, Khosla Ventures, Asset Management Ventures, Bessemer Venture Partners, Canaan Partners, Chemistry VC, Founders Fund, Norwest Venture Partners.
Piazza has raised $18.6M across 5 funding rounds. Most recently, it raised $1.7M Piazza Series B in February 2026.