Testimonials

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

CK-12 Helps to Address Learning Gaps
X
CK-12 Helps to Address Learning Gaps
CK-12 Offers Resources Students Understand
X
CK-12 Offers Resources Students Understand
Embedding Videos in CK-12 to Enhance Student Understanding
X
Embedding Videos in CK-12 to Enhance Student Understanding
Easy to Update and Modernize Content with CK-12
X
Easy to Update and Modernize Content with CK-12
CK-12 Makes Differentiated Learning Come to Life
X
CK-12 Makes Differentiated Learning Come to Life
CK-12 Keeps Your Students Engaged
X
CK-12 Keeps Your Students Engaged
CK-12 Offers Material Unavailable By Traditional Publishers
X
CK-12 Offers Material Unavailable By Traditional Publishers
CK-12 Meets Every Student's Needs
X
CK-12 Meets Every Student's Needs
Confidence in Connecting to Standards with CK-12
X
Confidence in Connecting to Standards with CK-12
It's Worth Transitioning from Traditional Textbooks to CK-12 FlexBooks®
X
It's Worth Transitioning from Traditional Textbooks to CK-12 FlexBooks®
CK-12 Has Revolutionized How I Teach
X
CK-12 Has Revolutionized How I Teach
Using CK-12 Every Day in Class
X
Using CK-12 Every Day in Class

Comments from Educators

It has help students grasp concepts via video and plix shown by increased test scores on weekly exams and it has help me save time gathering these resources.

Iris H.

I have been able to use CK12 to allow my homeschooled student to explore and expand on concepts we have studied in greater depth.

Donna A.

Ck12 has revolutionized the manner in which I teach. This magnificent educational asset has taken the text book out of the classroom and made learning accessible to students anywhere there is a internet connection

Michael R.

My search for free online study materials,concept teaching videos and acquiring extra knowledge and concept quizzes ended after signing up at CK-12.Its really great work that CK-12 is doing,helping knowledge victims free of cost.

Ankit R.

ck-12 has helped me immensely regarding my preparation for the tasc ged. Thank you so much for this excellent educational website !

Kevin N.

There have been available lessons that have helped my students have a better understanding of the material.

D. Ferrell

cK-12 is a wonderful resource. I am a middle grades science teacher and have enjoyed this resource on a weekly basis.

Jennifer R.

ck12 has helped me by teaching me new things in algebra and learning more and more about daily math life

Christian D.

Great science content! Lots of resources; video, text, quizzes. Love the connectivity to Edmodo. Very helpful!

Christiana D.

Excellent exercises and resources! Congratulations!

Cielo

I use it with special education students to find articles at lower reading levels. I also post links to articles on google classroom for students to read to reinforce their learning from class.

Jessica D.

with my son's science project

Marianne

CK-12 really helped me last year teaching 7th grade social studies. The content, which was broken down by standard, helped me and my students get a better understanding of the material.

Layne B.

I would like to have access to the webinar to use some of the 3-5 resources. I liked the tremendous amount of activities I can use with my fourth grade class.

Denise H.

Well, im a teacher and a instructor in Mexico, and my students use this pages too much

Julio R.

This website has awesome material to help my students to understand the world around them.

Cynthia

CK12 works well with our 1-1 ipad program in our middle school. Students carry their work and flex books around in one small device! Yea, for saving their little spinal cords!

Kristin D.

CK-12 has been an awesome resource! It provided much needed Biology resources for my daughter when she was a freshman.

Gladys

Comments from Students

you helped me with science grade

Faith

you helped me pass algebra 4

Jonny

This site helped me that I am passing all my grades and I appreciate all the help.

Matthew Abadam

You helped me look and learn about minerals and many more things. HAPPY ANNIVERSARY!

Candace

Thanks!!!!!!!!!!!

Yoselin Huequis-Ayala

I am a student, currently getting my Masters in Special Education and I have found that the resources available at ck-12 have inspired me and stimulated a fresh approach to teaching and learning, particularly for kids with special needs and for kids needing enrichment resources.

Patty Adams

it helped me understand physics more.

Jamessantana

well it help me to do my cornel notes and to get the work i need

Abdiel

When I have problems in science, cK-12 is there to help.

Alan Mao

My school curriculum is onilne, and they direct me to you guys for science, and it's actully fun to learn science now!

Maeryn

You helped me by learning how atoms are and how small they are. It's crazy on how small they really are.

Falynn Peterson

CK-12 Helped me better understand things that were spoken in-class.

Zach

CK-12 Provides excellent learning tools and essentials and allows me to access it online for free.

Sean Finn

Hello!!!

Venku

OMG!! cK-12 has helped me with sooo many assignments at school!! When my teacher assigns me a page from this website, it helps me with things I don't know, and when I take a quiz afterwards, I get a great grade!! Thank you cK-12!! :D

Wolfesess

I love to use this website for 7th grade science it helps soooooo much i love this website.

Ian

y'all helped me learn about minerals.

Izzy

CK-12 has helped me understand chemistry better and i want to congratulate and thank you for your services

Abdullah Jamal