Piazza
Piazza Technologies operates a wiki-style Q&A platform connecting university students, teaching assistants, and professors, with LaTeX support, LTI-integrated LMS access, and mobile apps. It monetizes via tiered instructor, department, and institutional licenses across 100,000+ professors at 1,500 schools in 90 countries.
- Company typePrivate
- Founded2009
- HeadquartersPalo Alto, United States
- Headcount11–50
- GTM typeB2B
- OfferingSoftware
What Piazza does
Piazza Technologies, Inc., founded in 2009 by Pooja Nath Sankar and headquartered in Palo Alto, California, operates a social learning Q&A platform that connects university students, teaching assistants, and professors through a wiki-style collaborative format. Each question consolidates into a single editable answer rather than sprawling forum threads, with built-in LaTeX support, syntax-highlighted code blocks, instructor endorsement, anonymous posting, online polls, and real-time updates. The platform is accessed via web, native iOS and Android apps, and is integrated into institutional learning management systems through Learning Tools Interoperability (LTI), enabling single sign-on from Canvas, Blackboard, and Moodle. Piazza is formally designated as a "school official" under FERPA, which addresses institutional procurement concerns.
Piazza operates a multi-tier subscription business model introduced in 2021 after years as a free service. Instructors can purchase term-based individual licenses ranging from $379 (up to 400 students) to $479 (unlimited), while departments pay $9,000–$12,000 annually for unlimited classes and institutions can negotiate custom site-wide licenses. K-12 classes and small courses under 25 students remain free, and a contribution-supported freemium tier exists for unmonetized institutions. Go-to-market combines product-led and community-led growth — professors discover and adopt Piazza via peer recommendations — with an enterprise field-sales motion for institutional contracts. Piazza has additionally launched a Career Talent Network (talent.piazza.com) that connects students with employers, opening a recruitment-adjacent revenue stream.
The company is privately held, backed by approximately $15.5M in disclosed venture funding across rounds in 2011, 2012, and 2014 (investors include Sequoia Capital, SV Angel, Bessemer Venture Partners, Khosla Ventures, and Kapor Capital), and reports adoption by 100,000+ professors and millions of students across 1,500 schools in 90 countries. Ethan O'Rafferty serves as CEO with founder Pooja Sankar remaining involved and Ross Fubini as Chairman. No acquisitions, no subsequent funding rounds since 2014, and no AI/ML capabilities have been publicly disclosed.
Piazza firmographics
Firmographics- Name
- Piazza
- Legal name
- Piazza Technologies, Inc.
- Website
- https://piazza.com
- Company type
- Private
- Founded year
- 2009
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Piazza Technologies operates a wiki-style Q&A platform connecting university students, teaching assistants, and professors, with LaTeX support, LTI-integrated LMS access, and mobile apps. It monetizes via tiered instructor, department, and institutional licenses across 100,000+ professors at 1,500 schools in 90 countries.
- Ownership category
- akta.pro rank
Piazza industry classification
Industry- Product category
- Education Collaboration Software
- NAICS
- Educational Support Services (611710)
- SIC
- Services-Prepackaged Software (7372)
- akta.pro primary industry
- Classroom Communication & Messaging Platforms (EDAFAGAA)
- akta.pro secondary industry
- Assessment, Testing & Analytics Platforms (Formative/Summative) (EDAJAMAC)
Keywords
Where Piazza is headquartered
LocationHeadquarters
- HQ city
- Palo Alto
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Piazza business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Infrastructure, Marketing or Sales, Operations
Revenue model
- Instructor License Subscription: Instructors purchase individual term-based licenses to use Piazza for their classes. Students are covered under the instructor's license at no additional cost. Payment is due 3 weeks after class start date to accommodate add/drop periods. This is the primary revenue stream, transitioning from a previously free service.
- Department/Institutional License: Annual department or institution-wide site licenses allowing unlimited classes per student within the covered department at no cost to individual instructors or students. Targets universities wanting to standardize Piazza across multiple departments.
- Contribution-Supported Model (Freemium): Free tier with optional financial contributions from users who find value in the platform. Premium features (polls, statistics, class locking) are restricted without a paid license. This serves institutions transitioning to paid contracts.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Pay-as-you-go | Instructor License - 400 student max class size |
| Subscription | Pay-as-you-go | Instructor License - 700 student max class size |
| Subscription | Pay-as-you-go | Instructor License - Unlimited class size |
| Freemium | Pay-as-you-go | K-12 and Small Classes |
| Subscription | Annual | Department License - Up to 2,000 students |
| Subscription | Annual | Department License - Up to 3,000 students |
| Subscription | Multi-year contract | Institution-Wide Site License |
Go-to-market motion3 records
Distribution channels4 records
Marketing channels6 records
Piazza product offering
Product offeringCore offering
Piazza is a cloud-based, wiki-style Q&A and discussion platform for university and K-12 classrooms that enables students, teaching assistants, and professors to ask and collaboratively edit questions and answers in a single canonical answer format with real-time updates, LaTeX and code formatting, and Learning Tools Interoperability (LTI) integration with major Learning Management Systems. The platform is monetized through per-term instructor subscriptions and annual department/institution-wide site licenses, with a free contribution-supported tier for smaller classes and K-12.
Product overview
Piazza is a single, unified Q&A platform for educational institutions. The core product is the Piazza Q&A Platform, which provides wiki-style collaborative question and answer functionality for students, TAs, and professors. The platform includes built-in mobile apps for iOS and Android, LTI (Learning Tools Interoperability) integration for connecting with learning management systems, and the Piazza Career Talent Network for connecting students with employers. All components are part of the same platform rather than separate modules.
Differentiator
Problem solved
Functional benefit
Products and services
- Piazza Q&A Platform Cloud-based, wiki-style collaborative Q&A and discussion platform for university and K-12 classrooms, enabling students, teaching assistants, and professors to ask questions and collectively edit a single canonical answer with LaTeX, code formatting, real-time updates, instructor endorsement, anonymous posting, and online polls.
- Piazza Mobile Apps Native iOS and Android mobile applications that allow students and instructors to stay connected with their Piazza classes on mobile devices.
- Piazza LMS Integration (LTI) Learning Tools Interoperability (LTI) integration that allows Piazza to be embedded within institutional Learning Management Systems (such as Canvas, Blackboard, and Moodle), enabling single sign-on and seamless class provisioning without separate credentials.
- Piazza Talent Network Professional networking feature on Piazza that enables students to learn about and connect with companies to explore job opportunities.
Quantifiable outcome
- 4x signup increase during online learning transition
- +3 more outcomes
Companies that use Piazza
Customer profileNamed customers1 record
Segments4 records
Ideal customer profiles2 records
Piazza technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature10 records
Piazza partnerships and signals
Strategic signalScale indicators4 records
Recent moves6 records
Expansion highlights6 records
Piazza competitors and assessment
Company assessmentBroad incumbents
- Blackboard: Blackboard is a major LMS provider with built-in discussion and collaboration features used by many of the same universities Piazza targets. As a broad incumbent, it competes for the same instructor collaboration use cases through bundled offerings.
- Instructure (Canvas): Instructure's Canvas LMS is a broad incumbent that includes native discussion boards, collaboration tools, and integrations. Universities already paying for Canvas may deprioritize Piazza as Canvas expands its native Q&A and engagement features.
- Microsoft Teams for Education: Microsoft Teams for Education bundles chat, Q&A, and collaboration into the broader Microsoft 365 education suite. Its free or low-cost bundling with institutional Microsoft agreements creates pricing pressure on standalone Q&A tools like Piazza.
Direct peers
- Yellowdig: Yellowdig provides a community-based learning platform that enables peer-to-peer discussion and Q&A in higher education courses. It directly competes with Piazza for instructor adoption, institutional site licenses, and student engagement outcomes.
- Packback: Packback is a direct competitor offering AI-powered discussion and Q&A platforms for higher education courses, targeting similar instructor and student use cases with subscription pricing for institutions. Both compete for the same instructor-driven adoption motion in university settings.
- Top Hat: Top Hat is an interactive teaching platform for higher education that includes discussion, polling, and Q&A features alongside textbooks. It overlaps with Piazza on classroom engagement and competes for institutional and instructor budgets.
Emerging players
- Notion: Notion is increasingly used by instructors and students for course wikis, notes, and asynchronous Q&A. While not purpose-built for education, its flexibility and free tier appeal to academic users as an alternative to dedicated platforms like Piazza.
- Discord for Education: Discord has growing adoption in higher education for class Q&A and community, with informal channels used as Piazza alternatives. Its free model and consumer mindshare make it a meaningful emerging threat for non-paying instructors.
- Edmodo: Edmodo provides a classroom collaboration platform historically focused on K-12 with Q&A and discussion features. It overlaps with Piazza's free K-12 offering and represents a potential competitor in the education Q&A space.
Others
- Handshake: Handshake is a career and recruiting platform primarily serving college students. It is comparable as a potential competitor or partner for Piazza's Career Talent Network, given overlap in student audience and employer monetization in higher education.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks7 records
Key highlights7 records
Customer concentration
Piazza social profiles
Digital presencePiazza compliance and trust
Trust signalCompliance1 record
Piazza financial estimates
Financial estimateRevenue estimate
Valuation estimate
Piazza leadership team
Management profileNumber of profiles
Profiles3 records
Piazza funding detail
Funding detailFunding overview
Funding rounds3 records
Investors7 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Piazza M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Piazza
What does Piazza do?
Piazza is a cloud-based, wiki-style Q&A and discussion platform for university and K-12 classrooms that enables students, teaching assistants, and professors to ask and collaboratively edit questions and answers in a single canonical answer format with real-time updates, LaTeX and code formatting, and Learning Tools Interoperability (LTI) integration with major Learning Management Systems. The platform is monetized through per-term instructor subscriptions and annual department/institution-wide site licenses, with a free contribution-supported tier for smaller classes and K-12.
Is Piazza a public or private company?
Piazza is a private company. It is classified as venture growth investor backed and is currently operating.
When was Piazza founded?
Piazza was founded in 2009. It employs 11 to 50 people.
Where is Piazza based?
Piazza is headquartered in Palo Alto, United States, in the North America region.
How does Piazza make money?
Three revenue lines are on record. Instructor License Subscription is the primary driver. The others are department/Institutional License and contribution-Supported Model (Freemium).
Who are Piazza's main competitors?
Broad incumbents on record are Blackboard, Instructure (Canvas) and Microsoft Teams for Education. Direct peers are Yellowdig, Packback and Top Hat. Emerging players are Notion, Discord for Education and Edmodo. Handshake is listed as an others.
Does Piazza have an API?
No public API is recorded for Piazza.
What industry is Piazza in?
Piazza's product category is Education Collaboration Software. Its primary akta.pro industry code is EDAFAGAA, Classroom Communication & Messaging Platforms, with a secondary code of EDAJAMAC, Assessment, Testing & Analytics Platforms (Formative/Summative). Its NAICS code is 611710 and its SIC code is 7372.