CK-12 Review
Based on online research and 46 CK-12 reviews, CK-12's overall score is 4.1 out of 5 stars. CK-12's review score is based on CK-12's customer ratings, its brand popularity, its price competitiveness, as well as the breadth and quality of features it offers to customers. The CK-12 review table below incorporates summarizes 46 CK-12 ratings on 2 features. You can also compare CK-12 against popular alternatives like Kahoot!, Clever and Pear Deck. Or you can view the top 50 brands in similar categories, such as education software tools, educational resource services and education portal stores.
Brand popularity
eCommerce rating
Payment options
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Coupons & discounts
Customer-specific discounts
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Company values, ethics & policies
Customer service & brand
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Seasonal sales & events
CK-12 Review: CK-12 Pros & Cons
CK-12 (ck12.org) is a very popular education portal store which competes against other education portal stores like Kahoot!, Clever, Pear Deck, Skyward and Frontline Education. Based on our in-depth CK-12 review, when compared to its competitors, CK-12 is a mid-range performing brand within its category. Read the full Ck12.org review below for more details.
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Knoji has 46 CK-12 reviews and ratings as of June 10, 2026. Knoji editors and the Knoji shopper community have reviewed CK-12 and compared it against 252 top education portals brands, reviewing CK-12 based on product and store features. Knoji reviews and ranks Ck12.org and other education portal stores based on how many features each offers and based on a 5-star rating scale. Based on these factors and 46 CK-12 reviews, CK-12 earns an overall score of 4.1 out of 5.0 points. CK-12 offers 2 total features. CK-12's review score is also boosted by the fact that it is a popular brand with good recognition among consumers.