College Credit Courses
This is a collection of courses that can help you earn college credits in a variety of topics. The courses are gathered from a variety of Open Educational Resources, and reorganized by World Possible, the team that maintains RACHEL.
College credits are granted through CLEP exams. The College Board's College-Level Examination Program (CLEP) has been the most widely trusted credit-by-examination program for over 40 years, accepted by 2,900 colleges and universities and administered in more than 1,800 test centers, including in many prison facilities.
Saylor Academy Textbooks
Over 100 Free Textbooks covering a wide range of topics that can help with earning college credits.
GCF LearnFree.org
Hundreds of high-quality illustrated articles and videos focusing on technology, job training, reading, and math skills, produced by the Goodwill Community Foundation.
- Career Planning
- Computers
- Devices
- Digital Lifestyle
- Email Basics
- Everyday Life
- Internet Basics
- Job Development
- Mac OS Basics
- Math Basics
- Money
- Office 2000
- Office 2003
- Office 2007
- Office 2010
- Office 2013
- Office XP
- OpenOffice
- Online Safety
- Photos and Graphics
- Reading
- Social Media
- Using the Cloud
- Windows
- Workplace Skills
Khan Academy
Over 2000 videos on math and science, from the basic to the advanced. All Khan Academy content is available for free at www.khanacademy.org.
PhET
PhET Interactive Simulations, a project at the University of Colorado Boulder, is a non-profit[1] open educational resource (OER) project founded in 2002 by Nobel Laureate Carl Wieman. PhET began with Wiemans vision to improve the way science is taught and learned. Their stated mission is "To advance science and math literacy and education worldwide through free interactive simulations."
Kolibri
Kolibri is an open-source offline ed-tech platform developed by Learning Equality, focused on increasing the availability of relevant and aligned learning materials, fostering innovative pedagogy, and boosting learning outcomes.
You can create an account to track progress. Later, you can login again and continue where you left off.
Boundless Textbooks
An amazing collection of searchable textbooks on a variety of advanced subjects, including extensive linked definitions of terms.
UNESCO's IICBA Electronic Library
Teachers' resources from the UNESCO International Institute for Capacity Building in Africa.
Math Expression
Math tutoring materials including videos, study tips, practice questions and step-by-step solutions.
For each lesson, read the study tips carefully and take note of the important concepts/ideas before watching the video. These tips will guide you in your math thinking strategies.
Understanding Algebra
A complere, concise, and illustrated textbook introducing algebra that can be viewed here or printed out.