Blocksi
Blocksi provides a multi-OS, AI-driven content filtering, classroom management, and student safety platform for K-12 school districts, primarily on Chromebooks, with 500+ district customers and 3 million users.
- Company typePrivate
- Founded2011
- HeadquartersPalo Alto, United States
- Headcount11–50
- GTM typeB2B
- OfferingSoftware
What Blocksi does
Blocksi Inc. is a Palo Alto-based SaaS company founded in 2011 that provides a multi-OS unified school management platform for K-12 districts, primarily focused on G Suite/Chromebook environments but extending to Windows, iPad, MacOS, and Android. The platform combines three core products — Blocksi Advanced Filtering (AI-adaptive web and YouTube content filtering with 90+ categories and page-level context analysis), Blocksi Classroom Suite (real-time screen monitoring, instruction delivery, and secure test mode), and Student and School Safety (24/7 AI-powered scanning of Google Workspace and Outlook for early threat detection with human review) — along with the Blocksi Manager admin hub and a Teacher Dashboard. Add-on modules address adjacent campus operations: App Usage Insights for EdTech ROI analytics, Digital Hall Pass for hallway management, Class Notes for AI-generated lesson summaries, a Parent Dashboard and mobile app for at-home controls, and the Blocksi Appliance for on-premise BYOD/IoT filtering.
The company monetizes primarily through subscription licensing priced per device/user on an annual basis, with a complementary hardware revenue stream from the Blocksi Appliance. Go-to-market combines direct enterprise field sales targeting district IT decision-makers with a structured channel partnership through ClassLink (offering discounts and 3-month trials) and self-serve portals for Admin, Teacher, Delegate, Parent, and Student roles. Distribution is reinforced by 1EdTech TrustEd Apps certification and Data Privacy Certification covering FERPA, COPPA, and GDPR, plus accessibility alignment under WCAG 2.2 Level AA, ADA, and Section 508.
Blocksi reports 500+ school district customers and approximately 3 million users, with a workforce of 11-50 employees. It remains a privately-held, founder-controlled company with no disclosed venture funding, parent entity, or M&A activity in the input data. The 2025 product cycle was unusually aggressive, simultaneously launching Appliance, Digital Hall Pass, App Usage Insights, Context Filtering, AI-Powered Formative Quizzes, a new Wonde integration, and refreshed compliance certifications, signaling deliberate horizontal expansion from pure content filtering into campus operations and EdTech analytics.
Blocksi firmographics
Firmographics- Name
- Blocksi
- Legal name
- Blocksi Inc.
- Website
- https://blocksi.net
- Company type
- Private
- Founded year
- 2011
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Blocksi provides a multi-OS, AI-driven content filtering, classroom management, and student safety platform for K-12 school districts, primarily on Chromebooks, with 500+ district customers and 3 million users.
- Ownership category
- akta.pro rank
Blocksi industry classification
Industry- NAICS
- Educational Support Services (61171)
- akta.pro primary industry
- Special Education (SPED), IEP & Accessibility/Assistive Technology (EDAJAMAH)
- akta.pro secondary industry
- Secure Browser, Device Lockdown & Exam Security Tools (EDAFADAI)
Keywords
Where Blocksi is headquartered
LocationHeadquarters
- HQ city
- Palo Alto
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Blocksi business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Marketing or Sales, Infrastructure, Operations
Revenue model
- Subscription Licensing: Blocksi operates on a subscription-based model for school districts, with pricing based on number of devices and Google users. The company offers various tiers including Admin, Teacher, Delegate, and Parent modules. Special pricing programs exist for channel partners like ClassLink.
- Hardware Appliance Sales: Blocksi Appliance is sold as a hardware solution for on-premise web filtering requirements, representing a complementary revenue stream alongside software subscriptions.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | ClassLink Special Offer - Discount off MSRP |
| Subscription | Pay-as-you-go | ClassLink Free Trial |
Go-to-market motion3 records
Distribution channels4 records
Marketing channels9 records
Blocksi product offering
Product offeringCore offering
Blocksi is a multi-OS K-12 unified school management platform providing AI-adaptive web and YouTube content filtering, real-time classroom screen monitoring, and 24/7/365 AI-powered student safety scanning for Google Workspace and Outlook. The platform serves school districts with bundled core solutions plus add-ons including digital hall pass management, app usage analytics, on-premise appliance filtering, AI-generated class notes, and parent dashboards for at-home screen time controls.
Product overview
Blocksi is the only multi-OS 1:1 unified school management platform for K-12, providing an integrated suite of AI-powered tools. The core offering combines Blocksi Advanced Filtering (AI-adaptive web/YouTube content filtering), Blocksi Classroom Suite (screen monitoring and instruction delivery), and Student and School Safety (24/7 AI early threat detection). These are bundled with Admin Hub and Teacher Dashboard platforms. Additional add-on modules include App Usage Insights (EdTech ROI analytics), Blocksi Appliance (on-premise hardware filtering), Digital Hall Pass (hallway management), Class Notes (AI-generated lesson summaries), and Parent Dashboard/App (home-based parental controls). The 2025 Xmas release introduced Context Filtering (page-level AI filtering) and expanded the product portfolio. The company serves over 500 school districts and 3 million users.
Differentiator
Problem solved
Functional benefit
Brands
- Blocksi Manager: Admin Hub for district-wide management of devices, filtering policies, and student monitoring.
- Blocksi Classroom Suite
- Blocksi Advanced Filtering
- Student and School Safety
- Blocksi Appliance
- Digital Hall Pass
- Class Notes
- Parent Dashboard
- App Usage Insights
- Context Filtering
Quantifiable outcome
- 500+ school districts managing student devices
- +3 more outcomes
Companies that use Blocksi
Customer profileNamed customers7 records
Segments4 records
Ideal customer profiles4 records
Blocksi technology and API
TechnologyAPI detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration7 records
AI capability6 records
Feature8 records
Blocksi partnerships and signals
Strategic signalPartnerships
Four partnerships are on record, tiered core.
- ClassLinkcoreExclusive partnership offering ClassLink customers special discounts and 3-month free trials for Blocksi Teacher Dashboard. Features include Diverse Monitoring Options, Pre-scheduled Lessons, Secured Testing Environment, Full Student Engagement, Effective Content Filtering, Real-time Monitoring, Lesson Scheduling, Secure Testing, Engagement Tools, Streamlined Class Rostering, and Single Sign-On integration.
- 1EdTech AlliancecoreBlocksi is a certified member of the 1EdTech Global Alliance with Data Privacy Certification and TrustEd Apps vetting. Aligns with 1EdTech standards ensuring EdTech ecosystem connectivity, compliance, and security. Supports FERPA, COPPA, and GDPR compliance frameworks.
- Google (Google Workspace)coreDeep native integration with Google Workspace including 24/7/365 scanning of Google Workspace environment. Student Safety solution monitors emails, images, and documents within Google's ecosystem. Seamless Google Classroom integration mentioned by customers.
- Microsoft (Outlook)coreStudent Safety solution scans entire Outlook environment including emails, images, and documents for concerning content. Integration enables comprehensive monitoring across both major email platforms used in schools.
Scale indicators6 records
Recent moves1 record
Expansion highlights5 records
Blocksi competitors and assessment
Company assessmentDirect peers
- Securly: Direct K-12 content filtering and student wellness competitor offering web filtering, classroom management, and 24/7 safety monitoring across Chromebooks, iOS, and Windows. Overlaps substantially with Blocksi's combined filtering/safety/screen-monitoring positioning.
- Bark Technologies: Direct competitor focused on AI-driven student safety monitoring across email, chat, and social platforms. Targets the same K-12 student well-being use case Blocksi addresses with its 24/7/365 Google Workspace and Outlook scanning, with parallel parent-facing offerings.
- Lightspeed Systems: Established K-12 filtering, device management, and student safety vendor serving districts with multi-OS coverage. Competes head-on with Blocksi's web filtering, classroom management, and analytics modules.
- LanSchool: Long-standing classroom management and screen-monitoring solution for K-12, historically tightly coupled with Chromebooks. Directly competes with Blocksi Classroom Suite on teacher-side screen monitoring and device control.
- Gaggle (PowerSchool): K-12 student safety monitoring service scanning Google Workspace and Microsoft 365, now part of PowerSchool. Targets the same school-level student well-being use case and adjacent purchasing budget as Blocksi's Student and School Safety module.
- Impero Software: K-12 classroom management and student safety vendor offering screen monitoring, content filtering, and safeguarding. Operates in the same district IT procurement cycle as Blocksi with overlapping multi-OS device coverage.
- GoGuardian: Closest direct competitor in K-12 web filtering, classroom management, and student safety. GoGuardian sells Teacher, Admin, and Parent modules to school districts with overlapping AI-driven monitoring capabilities and similar Chromebooks-first approach.
- Linewize (Family Zone): K-12 student safety and content filtering vendor bundled into the Family Zone ecosystem, offering web filtering, classroom management, and student welfare tools overlapping with Blocksi's modules.
Broad incumbents
- PowerSchool: Dominant K-12 SIS and broader EdTech platform that has acquired Gaggle and other safety vendors, increasingly bundling student safety and analytics adjacent to Blocksi's modules. Represents both a competitive threat and a potential acquirer/partner through its installed base.
Emerging players
- ManagedMethods: K-12-focused Google Workspace and Microsoft 365 monitoring, content filtering, and student safety vendor with a more focused cloud-only footprint. Emerges in the same RFP pools as Blocksi for districts prioritizing lightweight SaaS deployment over appliance solutions.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Blocksi social profiles
Digital presenceBlocksi compliance and trust
Trust signalCompliance7 records
Blocksi financial estimates
Financial estimateRevenue estimate
Valuation estimate
Blocksi leadership team
Management profileNumber of profiles
Blocksi funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Blocksi 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 Blocksi
What does Blocksi do?
Blocksi is a multi-OS K-12 unified school management platform providing AI-adaptive web and YouTube content filtering, real-time classroom screen monitoring, and 24/7/365 AI-powered student safety scanning for Google Workspace and Outlook. The platform serves school districts with bundled core solutions plus add-ons including digital hall pass management, app usage analytics, on-premise appliance filtering, AI-generated class notes, and parent dashboards for at-home screen time controls.
Is Blocksi a public or private company?
Blocksi is a private company. It is currently operating.
When was Blocksi founded?
Blocksi was founded in 2011. It employs 11 to 50 people.
Where is Blocksi based?
Blocksi is headquartered in Palo Alto, United States, in the North America region.
How does Blocksi make money?
Two revenue lines are on record. Subscription Licensing is the primary driver. The others are hardware Appliance Sales.
Who are Blocksi's main competitors?
Direct peers on record are Securly, Bark Technologies, Lightspeed Systems, LanSchool, Gaggle (PowerSchool), Impero Software, GoGuardian and Linewize (Family Zone). PowerSchool is listed as a broad incumbent. ManagedMethods is listed as an emerging player.
Does Blocksi have an API?
No public API is recorded for Blocksi.
What industry is Blocksi in?
Its primary akta.pro industry code is EDAJAMAH, Special Education (SPED), IEP & Accessibility/Assistive Technology, with a secondary code of EDAFADAI, Secure Browser, Device Lockdown & Exam Security Tools. Its NAICS code is 61171.