Testimonials

See the opinions of students and educators just like you. Select from the following to learn more.

CK-12 is Adjustable to Each Student's Level of Learning
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CK-12 is Adjustable to Each Student's Level of Learning
Students Love CK-12 Study Guides
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Students Love CK-12 Study Guides
CK-12 PLIX Makes it Very Easy for Teachers With Very Little Prep Time
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CK-12 PLIX Makes it Very Easy for Teachers With Very Little Prep Time
Personalizing and Blending Learning with CK-12
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Personalizing and Blending Learning with CK-12
CK-12 Meets Every Student's Needs
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CK-12 Meets Every Student's Needs
EPISD Saw Results After One Year of CK-12 FlexBooks®
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EPISD Saw Results After One Year of CK-12 FlexBooks®
CK-12 Offers Support for All Students and Teachers Worldwide
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CK-12 Offers Support for All Students and Teachers Worldwide
Be a Champion Educator with CK-12
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Be a Champion Educator with CK-12
Using CK-12 Modalities to Bring Learning to Life
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Using CK-12 Modalities to Bring Learning to Life
CK-12 Keeps Your Students Engaged
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CK-12 Keeps Your Students Engaged
CK-12 Fuels a Greater Learning Experience
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CK-12 Fuels a Greater Learning Experience
CK-12 Availability: No More Excuses
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CK-12 Availability: No More Excuses

Comments from Educators

It has helped my students learn and check understanding in biology and biotechnology and really brings great readings and videos together to teach difficult concepts

Giselle G.

it helped me a lot. several lessons gave me ideas on how to attack and execute my lessons.

Gigi G.

it has helped me to attain my bsc

Garvin M.

I'm a new teacher in an under-funded rural school district. I needed something to help me find quality materials for my classes. CK-12 literally saved me my first year. I will always be grateful for ck-12.

Gage O.

Provides revision.

Gabriella R.

ck12 has help me by making me study even harder i am really excited that i am using ck12 and i would give you all a congradulations your 10th anniversary you did work hard for this

Gabriela C.

I'm using CK-12 for the first time to teach ESL Science. The materials seem interesting.

Gabriel L.

I use Ck-12 all the time in my Google classroom. It is appropriate and gives a variety for all abilities. Thank you

Gina R.

money

Freedom D.

lol idk just joined ttyl

Fredrick W.

Comments from Students

I have chronic pain that doesn't allow me to go to school. I had a really hard time homeschooling until I found this website. CK-12 has helped me to be able to get an education until I am able to go back to school. Thank you.

Tya

CK-12 has helped me a lot. It has helped me understand certain subjects in science and much more. In my opinion CK-12 is one of the best educational websites there is.

Louis A.

Our school just gave each student a chromebook, making us 1:1 school. Only 1 of 2 in our district. Our school is Title one with many obstacles to overcome.

Trish P.

CK-12 has helped me with a lot of things such as science, reading, math and social studies. I like using CK-12 because it is extremely useful and I suggest you to try it out also.

Trinity

it had helped me learn things that i didn`t know in a way i can understand.

Trinity J.

You guys made it so i don't have to carry around an ungodly amount of textbooks. Thx.

Tanner W.

It has helped me get a better understanding on certain subjects.

Tanner M.

I don't understand why it works like this but, it is amazing so I like it but, I think it shouldn't have a login for the students the teachers should only have a login. I love this website it helps me with my learning a lot so, thank you and have a good y

Taniya H.

I love how I can go on here and see any information that I might need for a project pr lesson

Sunya A.

They helped me learn more about dividing fractions.

Susana C.