GoGuardian
El Segundo, US · 539 employees on LinkedIn · 4 known investors
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GoGuardian provides AI-powered web filtering, classroom management, and threat detection software for K-12 schools to enhance student safety and productivity. The platform serves school districts and educators across all major device operating systems.
Also known as Liminex · Liminex Inc.
Founders & leadership


Investors · 4
Also in the syndicate · 1
Company profile
researched Aug 2026GoGuardian is an educational software company that builds web filtering, device management, classroom management, and student-safety monitoring tools for K-12 schools and districts. Founded in 2014 as Liminex Inc. in El Segundo, California, the company began as a ChromeOS-focused tool for monitoring and managing student devices and expanded into a broader product suite. Its software filters content, monitors online student activity, supports compliance with the Children's Internet Protection Act, and alerts school staff to indications of possible suicidal ideation, self-harm, or violence.
The current product line includes GoGuardian Admin (web filtering with AI-based threat detection and compliance reporting across ChromeOS, Windows, macOS, and iPadOS), Teacher (classroom management with tab/screen controls and 1-on-1 chat), Beacon (AI detection of self-harm or violence signals across web searches, email, social media, and AI chat sites), Hall Pass (digital hall pass management), Discover (edtech ROI, license usage, and compliance/risk management), DNS (network-level filtering for BYOD, guest, and unmanaged devices), Fleet (device inventory and repair management synced with Google Admin Console), Org Management (cross-product administration hub), and Parent (a mobile app sharing school-managed student activity data with verified guardians). Earlier or related products cited include GoGuardian Director and Google Classroom integration for GoGuardian for Teachers.
The company states it supports more than 25 million students, roughly 50% of US K-12 students, and 2 million educators, processing over 2.4 billion browsing events, scanning 689 million web pages, and managing 800,000 classroom sessions daily. It is a member of the EDSAFE AI Industry Council and the SIIA AI in Education Industry Committee.
Founding story
GoGuardian was founded in 2014 in El Segundo, California, incorporated as Liminex Inc. Wikipedia lists Advait Shinde, R. Todd Mackey, and Aza Steel as founders; the company's leadership page also identifies Tyler Shaddix as a co-founder. Shinde previously worked as an engineer at Google, where he helped launch products including Google Wallet (later Google Pay), and holds a B.S. in Computer Science from UCLA; he served as CTO from the company's founding before becoming CEO in 2017. Shaddix, who holds a B.S. in Computer Science and Engineering from UC Merced, had founded two SaaS analytics companies before GoGuardian and led product strategy from 2015 to 2021.
Business model
GoGuardian sells subscription software to K-12 school districts through a modular product suite (Admin, Teacher, Beacon, Hall Pass, Discover, DNS, Fleet, Parent). Pricing is not published; the company says it creates custom quotes based on student enrollment, contract length, and product bundling, and offers free trials for at least some products (Discover).
Custom-quoted software licensing/subscriptions to schools and districts, priced on enrollment, contract length, and product bundling; no list pricing is published.
Traction
Company-reported figures: 25M+ students supported (about 50% of US K-12 students), 2M+ educators, 15.3M students supported in classrooms, 2.4B+ browsing events processed daily, 689M web pages scanned daily, and 800K classroom sessions managed daily; an estimated 18,623 students prevented from physical harm since March 2020 and 87% of surveyed respondents saying their students and communities are safer. Earlier milestones include installation in 1,600+ US districts by June 2015 and over 10,000 partner schools / 10M+ students as of November 2020.
Latest developments
Rich Preece became CEO in 2024, succeeding co-founder Advait Shinde. Recent product additions marketed as new include Hall Pass (digital hall pass management) and Discover (edtech compliance, license usage and ROI analytics, offered with a free trial). The help center also lists Fleet, DNS, Org Management, and a Parent mobile app for iOS and Android.
▸Full profile — market position, technology, go-to-market, geography, history, risks & controversies
Market position
GoGuardian describes itself as the leading K-12 web filtering and classroom management provider, claiming coverage of about half of US K-12 students. Wikipedia notes it was named the 27th fastest-growing technology company in North America in 2018 and lists Securly as a comparable web filtering vendor. At the time of the 2020 Pear Deck deal, its advisor described partnerships with over 10,000 schools and more than 10 million students in the United States.
Positions on cross-platform breadth (ChromeOS, Windows, macOS, iPadOS plus DNS-level coverage of BYOD and unmanaged devices), a decade of AI work in K-12, claimed 18x more proxies blocked than alternatives, an integrated suite spanning filtering, classroom management, safety alerting, hall passes, device fleet management, and edtech spend/compliance analytics, and compliance coverage for CIPA, FERPA, and COPPA.
Technology
Cloud-delivered filtering and monitoring software with browser extensions and agents spanning ChromeOS, Windows, macOS, and iPadOS, plus DNS-based network-level filtering for unmanaged and BYOD devices. AI models are used for threat detection, proxy blocking, self-harm and violence risk signals across web searches, email, social media and AI chat sites, and for turning behavioral trends into policy recommendations. The software can capture and control student screens and tabs, view running applications, and historically could log keystrokes and activate webcams (features the company says were removed in October 2015, though camera activation with student permission remains configurable in Chrome extension settings). Integrations include Google Classroom, YouTube filtering, and Google Admin Console synchronization.
Go-to-market
Direct enterprise sales to districts via demo requests and custom quotes, supported by free trials, a customer help center with chat and case support, educator testimonials from named districts, and participation in industry bodies such as the EDSAFE AI Industry Council and SIIA AI in Education Industry Committee. Growth has also come through acquisition, notably the 2020 Pear Deck transaction.
K-12 school districts and schools in the United States, including district IT administrators, teachers, counselors and student-safety staff, and — via the Parent app — verified parents and guardians.
Geography
Headquartered in El Segundo, California; customers are primarily US K-12 districts (examples cited include Los Angeles Unified, Camdenton, Neosho, Chagrin Falls, and Lee County Schools). Acquired Pear Deck, headquartered in Iowa City, Iowa, which was used in more than 17,000 schools worldwide.
History
After launching in 2014, GoGuardian reported by June 2015 that it was installed in more than 1,600 of an estimated 15,000 US school districts. In January 2015, Los Angeles Unified School District selected GoGuardian to support its 1:1 device rollout, providing device tracking, grade-level filtering, and CIPA compliance support. GoGuardian for Teachers launched in September 2015, followed by a Google Classroom integration announced in January 2016. In May 2018 the company was acquired by private equity firm Sumeru Equity Partners and added Tony Miller to its board; in August 2018 it launched Beacon, its self-harm and suicide risk detection product. In November 2020, GoGuardian merged with (and, per its financial advisor, acquired) Pear Deck, with terms undisclosed. In 2024, Rich Preece succeeded co-founder Advait Shinde as CEO.
Risks & controversies
The company has faced sustained student-privacy criticism. Parents have characterized the software as spyware given the breadth of data collection, which Wikipedia describes as potentially including webcam, microphone, keyboard, screen and browsing-history data on school-issued or personal devices. Researcher Elana Zeide warned in 2016 of overreach in suicide-prevention monitoring, and ASCA ethics chair Carolyn Stone called at-home search tracking intrusive and normalizing of constant monitoring. Keystroke tracking and remote webcam activation were removed in October 2015, though camera activation with student permission remains available via Chrome extension settings. The Electronic Frontier Foundation criticized the company in 2023 over inconsistent filtering, the risk of Beacon substituting for mental-health professionals, and the potential for collected data to be used to track or advertise to children under 13. GoGuardian has also been criticized for flagging and blocking LGBTQ keywords. The Wikipedia article itself carries a neutrality dispute notice.
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.
Competitors · 4
by search overlapCompanies competing with GoGuardian for the same Google search keywords, organic and paid, via search-intersection analysis.
Timeline · 10
launches, deals, and filingsDiscover provides compliance oversight, app usage metrics and license optimization with a free trial; Hall Pass provides digital hall pass management with AI-driven policy insights.
Rich Preece, previously COO of LegalZoom and a former Intuit executive, became CEO of GoGuardian.
GoGuardian, a portfolio company of Sumeru Equity Partners, acquired Pear Deck (Iowa City, Iowa), used in more than 17,000 schools and by 8 million educators and students worldwide. Terms were not disclosed; Baird was exclusive financial advisor to GoGuardian.
Beacon analyzes student browsing behavior on school computers to alert staff about students at risk of suicide or self-harm.
Private equity firm Sumeru Equity Partners acquired GoGuardian; Tony Miller was appointed to the board of directors.
Announced integration of GoGuardian for Teachers with Google Classroom.
Released a Chromebook/classroom tool for teachers to monitor student activity and manage student learning.
LAUSD chose GoGuardian to support its 1:1 device program, providing device tracking, grade-level-specific filtering, and CIPA compliance support.
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
- GoGuardiangoguardian.com · web
8 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does GoGuardian do?
- K-12 edtech company providing AI-based web filtering, classroom management, and student self-harm/violence risk alerting.
- Who founded GoGuardian?
- GoGuardian was founded by Tyler Shaddix, Advait Shinde.
- Who are GoGuardian's investors?
- GoGuardian's investors include Golub Growth, Edovate Capital, Tiger Global Management.
- Where is GoGuardian headquartered?
- GoGuardian is headquartered in El Segundo, US.



