CK-12

CK-12 is an app to help students, and teachers improve K-12 learning globally by providing self-pace learning content & tools.

CK-12 Chrome Extension - Transformative K-12 Learning Tools

CK-12 is a distinctive Chrome extension that offers over 5,000 math and science concepts to facilitate self-pace learning for students and teachers globally. It covers a vast range of subjects and offers various learning methods including videos, assessments, and interactive objects. In addition, it allows online class management via groups, assignment of practices to students, and tracking their progress. CK-12 is completely free and maintained by a non-profit organization aiming at improving STEM education worldwide.
Download
Install from Chrome Web Store

Extension stats

Manifest V2
Users: -
Rating: 4.35
(49)
Version: 0.0.0.9 (Last updated: 2018-07-02)
Creation date: 2018-07-02
Size: 12.02K
URLs: Website
Full description: See detailed description

Ranking

# 172,248 ▼ 210

Other platforms

Not available on Android
Not available on Firefox
Not available on Edge

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Great free online platform covering a wide range of material
  • Useful resource for both students and teachers
  • Supports teachers in creating a paperless classroom
  • Assessment features are helpful for guiding students
  • High-quality videos and lesson review questions
Cons
  • Cannot download content
  • Requires internet connection for most content
  • No downloadable grade book available
  • Content is not differentiated for below-grade-level readers
  • Not available in multiple languages
Most mentioned
  • Great tool for education
  • Surprisingly useful and free
  • Helpful for transitioning away from textbooks
  • Positive feedback on the app's effectiveness
  • Encouragement to maintain quality
User reviews
THE BEST OF THE BEST I DONT HAVE TO GO TO SCHOOL YEAAAAAAAAAAAA
by duckyrice (duckyrice), 2023-05-16
well i am really suprised acctually, i love the idea. and for a free online platform covering what i would view to be a great sum of material is just awesome, i am slighly disapointed that you can't download content and for the most part you need to be connected to the internet. at least to my knolage but overal i am very please with what ck-12 has offered. all in all i think for what it is i recomend it
by Robyn Crosby, 2022-12-12
Makes me mad
by Deserae Puckett, 2020-08-25
View all user reviews

Extension safety

Risk impact

CK-12 does not require any sensitive permissions.

Risk impact analysis details
  • Low This permission has no access or impact on the user's system or data, thus carrying no risk.
  • Low ******* ****** ** *** ********* ********
Risk likelihood

We don't have sufficient data to confidently determine the risk likelihood of CK-12. Use it at your own risk.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Good **** ********* *** **** **** *******
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Promo images

CK-12 marquee promo image
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CK-12 small promo image
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