The Inthinking Biology website is very helpful in providing not only notes and diagrams to explain all the concepts, but also provides additional tests and Quizlets to strengthen your learning. I definitely recommend!

I love this site, it is so helpful in making sure the content is both comprehensive but easily understandable.

Inthinking Revision helped my kids greatly. They liked having the videos, notes, questions and solutions. Wonderful study material.

My students and I have enjoyed StudyIB very much. We used the site last year and the students' performance moved up 1-2 points on the IB scale. My seniors this year have been using the site and I have seen a marked improvement on their retention of topics and their scores on cumulative papers. What...

This site has helped me improve in Physics as to take the exam. The best part is that it takes you through each step of the problems and gives you worked answers in a way you learn from your mistakes, instead of being left in the dark. It helps a lot for studying.

The website is a blessing. I'm so happy to have stumbled upon it and I recommend it to anyone who is preparing for the SL math exam. The videos have been so successful in helping me recall content from the years... The website works very well and the note sheets, quizzes, and exam styled questions...