CK-12 Stories

Unedited stories from CK-12 users around the world.
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I am a huge proponent of the open-source philosophy, especially where it pertains to education. CK12 has proven that a sensible, intelligently-organized text can be assembled unde...
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We love the materials on your website. This is a wonderful way for our teachers to experiment with using web-based resources in our classes. Thank you!
Just discovered your site through a link on the creative commons website. I was very impressed with the design, content, and ease of use. I'll be using it for my kids during the su...
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Love your books and the click through features especially. It helps the content come alive for the student!
You guys are revolutionizing public high school education. It's fantastic! Keep it up, please.
I really enjoy the site and it's very refreshing to have access to free exam prep material.
I randomly found your site when I was searching for some E-books,and
luckily found this. And I was amzed to see that you give such awsome books
for free! I am a math ...
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Thank you for making CK-12 a free source material. I use your resources extensively!
I hadn't visited your site for a while and I am absolutely astounded and blown away by what you have put out there for the public. Wow, wow, wow! I am a homeschooling consultant wh...
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Great site with great resources. Well done one creating such an invaluable resource and making it free.
Thank you so much for the materials provided online. With our transition to aligning our curriculum to national standards, we needed some supplemental materials to meet those stand...
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We really love your products. The ability to access other material is really helpful for our teachers and students alike!
Thank you for the materials and work created. It is refreshing to find up to date material easily accessed in so many platforms~ printed, tablet, computer, etc. I view CK-12 as a p...
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I think the site is wonderful and we certainly appreciate the content being updated on a consistent basis.
My students are enjoying the books! They are REALLY helpful! In a situation where funding doesn't permit the purchasing of mainstream texts, your texts have been a real godsend.
I appreciate the work that your organization has done. It's wonderful to find a high quality curriculum. It's wonderful and astonishing that when that curriculum is free!
Excellent site with amazing resources. The service you have provided is so greatly appreciated and I am grateful for the services you provide. Thank you for all you have done for ...
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I love the concept, love how the organization is working, and love the website as a collaborative space for teaching professionals.
Thanks for all the help CK-12, it's a fantastic site.
I think the site is wonderful and we certainly appreciate the content being updated on a consistent basis.
CK-12 Foundation is noble work for huminity and mankind
You guys are the best. You can change many lives, since you pretty much offer free education for many children around the US and the world.
First, I used your Biology textbook and (very) successfully completed the CLEP biology test!
I am now attempting to do the same for a Chemistry CLEP test. There are question...
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I am extremely grateful for the CK-12 materials it helps me home school my younger siblings. It gives me great ideas on how to order and plan their lessons.
I LOVE my CK-12 and I love what you have done with the concepts this year. For Algebra 2, we are supplementing with CK-12 this year and I love how I can find exactly what I need to...
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What you all have done, to open the door to educators to see how you all think, dream, and create. It is a wonderful process that all teachers would benefit from learning. Your pro...
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Thanks for all the help CK-12, it's a fantastic site.
Awesome. Thank you. I work with kids with learning disabilities and the text seems to be very appropriate for them. Lots of examples, good reading level, to the point.
Thank you for the materials and work created. It is refreshing to find up to date material easily accessed in so many platforms~ printed, tablet, computer, etc. I view CK-12 as a p...
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We are just beginning to explore CK-12. The possibilities are very exciting for us! Thanks for all you do for the betterment of our nation's young people. Your products and serv...
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I was and I am still amazed by the service, fantastic!
We appreciate the tools provided by CK-12 to help in our children's home school education. CK-12 is a valuable resource for us. Thank you!
CK-12 is simply amazing!
CK-12 represents the future of education; knowledge should be available free to any that desire it.
Dear CK12 Support, I want to share with you that last year I used the CK12 Biology Text, Student Workbook and the Teacher Resources. I found these to be incredibly useful. They wer...
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Thank you everybody who is at ck12. For self learners like me this site is the greatest boon. May GOD bless you people!
I love how I can use my chemistry FlexBook on my iPad and not carry around a heavy book!
This is an excellent resource that many of my students have found valuable!
I appreciate the efforts of CK-12 to provide quality products for all educators, including homeschooling families. I appreciate that you allow homeschooling parents access to teac...
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I like your organization because it is a great step to spread the education in the poor world. I really like CK-12 and hope it will continue to provide free resources to students ...
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High quality, simple, FREE! This enables me to move toward 'tailored learning' for each student.
Thank you for providing this free service. As a low-tuition private school, resources such as ck-12 allow us to provide quality education without raising tuition.
I enjoy using ck-12 because there are so many different ways to learn the same information, I feel that I can fully understand whatever concept I'm looking at much easier.
As a Principal of a small private school, I wanted to express my thanks for the difference your flexbooks have made in our instructional content in the
STEM subject areas. A...
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CK-12 is an amazing program! I am so glad I found it!
The FlexBooks are so much better than any other textbooks I have found. They allow my students to advance much further in their studies than they would in the public school setting...
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I *love* your flexbook system for Alg I and Geometry... This is a fantastic idea!
I am a rising sophomore at Cupertino High Schoool, and I have been using
your website for my studying, and review for quite a while now. It has
been extremely helpful...
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You guys are revolutionizing public high school education. It's fantastic! Keep it up, please.
We appreciate the tools provided by CK-12 to help in our children's home school education. CK-12 is a valuable resource for us. Thank you!
I'm very, very grateful to CK-12. CK12 is really a key resource for our learning!
My students are enjoying the books! They are REALLY helpful! In a situation where funding doesn't permit the purchasing of mainstream texts, your texts have been a real godsend.
I like your organization because it is a great step to spread the education in the poor world. I really like CK-12 and hope it will continue to provide free resources to students ...
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CK-12 has helped me learn and achive good grades.
I enjoy using ck-12 because there are so many different ways to learn the same information, I feel that I can fully understand whatever concept I'm looking at much easier.
First of all, THANK YOU for assembling this extraordinary chemistry text. I am implementing it across the board for general chemistry at Kirksville High School (Missouri).
You are a great resource!!! Thank you for getting the job done.
Thank you for your wonderful study help...because of your site and my own school's help, I have become successful in earning a higher ACT score!!
This is the first Science text book that my son has enjoyed. He is now getting it done and he is retaining it!
You guys are awesome and thank you so much for making this. I enjoy using it :)
You all are a help to all students. You all are awesome!
I believe FlexBooks are the way of the future!
I really find your books extra ordinarily helpful in my studies. I have recommended this site for couple of my friends who were very impressed to see your Flex Books I had. I truly...
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Dear CK12 Support, I want to share with you that last year I used the CK12 Biology Text, Student Workbook and the Teacher Resources. I found these to be incredibly
useful. T...
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I love the idea behind the CK-12 learning resources. They are very stimulating and quite interactive; the pedagogy employed is very effective.
CK-12 is a powerful learning tool because of its customization advantage.
I love the concept, love how the organization is working, and love the website as a collaborative space for teaching professionals.
I think that your site is awesome and I believe it is worth supporting at this time. I really believe that materials should be free for everyone! Thank-you!
Wonderful resource. works especially well for more kinetic children who are overwhelmed by a traditional textbook.
You all are a help to all students. You all are awesome!
With the student that I am teaching science to, the material you have provided on your site is fantastic. You have made my job much easier by making this available. Thank you.
Like the Geometry textbook very much. We are a poor school district, but our students do have laptops. Because of you, we are able to provide a great text to the students.
Thank you for the generosity of your efforts. My students have gained from your materials and I have been a better teacher. Thank you. I appreciate the higher order thinking req...
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Thank you, CK-12, for all that you do! Without your support, I could not have been as successful as I am now :)
I really enjoy using ck-12, and I want to thank you for offering such a helpful website to students like me.
You guys are the best. You can change many lives, since you pretty much offer free education for many children around the US and the world.
CK-12 has created the most powerful digital text on the market and in the process is pioneering the digital text industry. The free Flexbooks allow for easy editting, ability to s...
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I love how I can use my chemistry FlexBook on my iPad and not carry around a heavy book!
I really appreciate your organization. I am 73 years old and it’s been over 55 years since I studied Chemistry. Four years ago when we were foster parents we adopted our last thr...
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I appreciate the efforts of CK-12 to provide quality products for all educators, including homeschooling families. I appreciate that you allow homeschooling parents access to teac...
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Thank you for your wonderful study help...because of your site and my own school's help, I have become successful in earning a higher ACT score!!
I'm very, very grateful to CK-12. CK12 is really a key resource for our learning!
Love Love Love the "Traditional Textbook" feel. In other words, I have had to work with some "new" math textbooks that are absolutely worthless to the student on their own. These F...
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I love the work you guys are doing. I'm a physics teacher in Denver Colorado and I have been "following" the Peoples physics book for a couple of years and the work you guy have do...
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Love Love Love what CK-12 has done so far. My students love it, too!
I LOVE MY CHEMISTRY TEACHER FOR INTRODUCING CK-12 TO ME!!!!
Thank you! Without these tools it would be impossible for our family to educate our children in such a high standard due to the high price set on knowledge in printed form.
I have a STEM girl (8th grade) who needs advanced content that is not faux/pseudo-science. It is difficult (and often expensive) to find quality secular science materials for home ...
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I love the idea behind the CK-12 learning resources. They are very stimulating and quite interactive; the pedagogy employed is very effective.
Thank you to everyone at CK12. You have been hugely important in my development as a teacher over the last several years. You are impacting the lives of many kids here in North Car...
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I tell everyone about CK-12! I really enjoy being able to bring all of our school books with us and not breaking my back to do it! Thanks again for developing FLEXBOOKS!!!!!
I think the improvements that are being made are wonderful. I believe that this system has much more to offer that some of the other currently popular student resources such as Kha...
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CK-12 Foundation is noble work for huminity and mankind
I think you are doing a great job and I was glad to incorporate your flexbooks into our eigth grade lesson plans using the Kindle for pc app... keep up the great work!