Testimonials

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

How to Use CK-12 to Support Struggling Readers
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How to Use CK-12 to Support Struggling Readers
CK-12 Has Engaging and Interactive Content
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CK-12 Has Engaging and Interactive Content
Worry-Free Content Curation with CK-12
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Worry-Free Content Curation with CK-12
Starting with a CK-12 FlexBook® and Curating as You Go
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Starting with a CK-12 FlexBook® and Curating as You Go
EPISD Saw Results After One Year of CK-12 FlexBooks®
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EPISD Saw Results After One Year of CK-12 FlexBooks®
Pick Up Where You Left Off with CK-12 FlexBooks®
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Pick Up Where You Left Off with CK-12 FlexBooks®
"Dude, Just Use Your Phone" on CK-12!
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"Dude, Just Use Your Phone" on CK-12!
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

Comments from Educators

ck-12 helped me to build my lesson plans.

kaur

CK-12 makes my life easier in terms of extra activities for my students to reinforce what is being discovered in Science.

Álvaro E.

Love the ability to customize lessons!

dabourd

thanks my child is studing in 6th std .i want he knows all babic concept of math and science.thanks

Shobha K.

teaching

bryant

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.

Thanks for providing free, high quality resources for kids and teachers! I love the flexible way that resources can be built.

Mark H.

In many instances, available resources are not sufficient to explain a particular problem, so it is a relief to be able to turn to cK-12 for help.

Marion N.

with my son's science project

Marianne

I am just starting to use Ck-12, so far it seems like a great resource for homeschooling my daughters.

Margaret B.

I use it for Credit Recovery Program. My students like it!

Maria

happy 10th anniversiry.

Margaret

love the worksheets

Marcie C.

The drill and practice has helped my son recognize which function a math problem requires.

Marc M.

to edcuate lower class student

Manish

Improveing the motivation of my pupils

Maisa A.

I have read your biology books. With the help of ck books I am able to clear doubts of daughter and its helped me a lot. Thank you very much for CK

M.

video tutorials for lesson plans!

Macie M.

CK-12 helps me find resources necessary for teaching standards and skills that are not in my current text book. It is supplemental material and websites that help me teach!

M Hance

I have just been assigned to teach 7th and 8th grade Science.

Lynn J.

Comments from Students

you guys have helped me with learning new things

Betty

CK-12 helped me by teaching more stuff I haven't even learned in school yet!

Samuel Biersmith

CK-12 has helped my grades improve

Dakota

CK12 has helped me learn things my teacher and school can't provide.

Evelin

My teacher assigns work based off articles from your website and you always have clear answers in the readings so thanks for giving me easy 100's.

Jalyn Grace

cK-12 has helped me get through lots of class work and has helped me learn lots of things!

Maggie R.

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

Candace

you have helped me in many ways during school hours by giving me a cite where i can study for test.

Natalie Mcginity

learned more than my teachers teach me!

Matt

tremendously helped my students to understand science concepts, and motivated to do homework

Yolanda

you helped me with science grade

Faith

Helped me in social studies.

Paul Trumpore

Hi ck-12!!! congratulations!! Im one year older then you!! But....... you guys helped me get a A in science class and my teacher was very impress with my work I have. I just started when I first became a 6th grader, and I was pretty mad I had too start a new website. I always had gotten a D in science and I love science, so it hurt me to see I was failing. But I came home that day and my mom told me to do it any way, so I signed up and then BOOM!!! I fell in love with this website!! My teacher always told me that I needed some help with science, so I wold get on ck-12 and asked a helper for some help. My teacher always told me I could study more of a topic to get caught up with the other students, so I would hop on ck-12 and read,study,watch,and write down the topic. Since I started ck-12 I have an A in science,I have honor roll, and help other kids with science too!! So now that I am almost finished, congrats on having your 10th birthday!! Without you guys I dont know were I would be.Happy birthday!!! -Jasmine Whitfield-

Jasmine Whitfield

AMAZING FACTS AND MINI LESSON CONGRATES

Billy

Thanks or helping with my homework!

Jordan Bakar

hi there. Thank you for helping me learn.

Halley

u help me improve in all my subjects in school

Seth

Ck-12 has primarily helped with science in certain ways and im glad it still exists today

Daden

It helped me study for my science mid term exam.Thanks to ck12 I have got a full 100 on my science mid-term! Thank you ck12!

Vinnie

It has helped me with all subjects over the past 1 to 2 years.

Samarj Clifton