Testimonials
See the opinions of students and educators just like you. Select from the following to learn more.
Why Students Love CK-12!
Take a look at what these students have to say about CK-12!
Wonderfull! like that it’s really to the point and precise. There’s lots of pictures and diagrams that are helpful when you are trying to learn.
My teacher made these textbooks, and it has everything that we need for this specific class.
It’s really accessible so it’s easy for the whole class to get on and we just go!
We use it every day because there’s something new that our teacher wants us to look at!
My CK-12 book is really nice because it has all of the information I need in it. Instead of hunting for all of the words and questions I have, it’s all there right in order
Comments from Students
it has helped me alot during class. it was better than a book to learn out of.
Serenity W
Ck-12 helped me understand cell structure.
Mattea
nesecito que me ayuden con una tarea de geometria
Yuleni Meisa
It's a great way to learn about science and other subjects. It has great projects and it's probably my favorite thing to do in Science.
Aaron Dickerson
CK-12 has helped me by finding anything that needed for me to succeed in school.
Toma
It has helped me to be able to learn about what we have done in Chemistry, and tests me on what I know.
Dana Mcswain
it helped me in my science class
Ja'Crispy
this has helped me throughout my science grade. SO THANK YOU!!!!!!!
Careena
CK-12 has helped me in mny ways. I use it as a workbook in class, and a study tool at home. THANK YOU CK-12
Rachael Z
It helps me get my science done
Ivory Ray
I am a home schooled student and ck-12 is one of my favorite online resources. I can't wait to see what the next ten years holds for ck-12. Keep up the good work. Thank you.
Kaitlyn
It really helps me get all my glass work done SO THANKS a lot and happy 10 ANNIVERSARY!!!!!!!!!!!!!!!!!!!!!!!!!!!
Dalton A
Helped me learn
Aidan
CK-12 has helped me learn the important facts about things I didin't know. It is a great online source to help out with questions you arent sure about.
Pauline
i am home schooled and ck 12 has really helped me with my studies
Kaitlyn M
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
I love this thing so much because it helps me to study for my upcoming quizes
Bianca Rivera
It helped me understand the cell theory
Comments from Educators
It helped my son so much he is algebra 1 and is passing it very well
Jennifer D.
It's helping my classroom with our space facts....
Dathian T.
CK12 provides standards aligned digital text books, videos and activities I use while teaching.
Cindy E.
It has helped me with transitioning in a block schedule to incorporate NGSS lesson.
Laurie R.
I have just been assigned to teach 7th and 8th grade Science.
Lynn J.
You helped our classroom by supporting our lessons!!
Bethany H.
Helped me become a better teacher by offering a variety of resources to keep them engaged!
Caitlin C.
CK-12 has become a weekly extension activity for my middle school science students.
Jason B.
gather information
Felicity
well I am impressed by the high quality of the material, best of all, free to use. Keep up the good work!
Cesar R.
Our K-12 Science Curriculum is using cK-12 as an online resource tool.
Josh S.
Great resources to support MYP curriculum without textbooks
Erin
Hi! I have used Ck-12 to supplement the resources provided by my school district for years. Eventually, CK-12 became a resource that is recommended by my school district. Congrats and best wishes as you celebrate your 10th anniversary. Also, thank you!
BC
school
Fatima A.
ck-12 has made it possible for me to easily and quickly provide resources for my students at ALL levels! It's user friendly and student friendly! It's one of the 1st sites I visit because the content quality is consistently excellent.
Danielle D.
to edcuate lower class student
Manish
By providing resources for discussion with my graduate students.
Fernando E.
We frequently use copies of the content to send with students who are suspended, sick or otherwise unable to attend class. It's saved many headaches when trying to find material for these students.
Kathleen N.