Khan Academy Maths has an amazing set of comprehensive online maths resources. These K12 online maths resources include lessons and quizzes perfect for teaching and testing mathematics in K-12 schooling. These Khan Academy mathematics resources are separated into grade 1 to grade 8 then high-school maths is separated into subjects. Each subject has topic lessons …

Khan Academy Science has an amazing set of comprehensive online lessons and quizzes for teaching and testing science. These Khan Academy science resources are separated into subjects, and perfect for middle school and high school lessons, along with some college material. Each subject has topic lessons that include videos, sometimes reinforced with articles, and lots …

The following post links to some of the amazing “Flexbooks” and online resources from the CK-12 Foundation material. Each flexbook contains many different topics suitable for different syllabii. The link to CK-12 provides access to the master list of online resources in each subject. Flexbooks and downloads are available for customised resources extracted from these …

These NCERT English language textbooks are available free as read online textbooks and to as pdf download in creative commons for grades 1 to grade 12. While the copyright is a bit confusing on the NCERT site, the excerpt below explains better, the NROER initiative declared all the resources creative commons in 2013, and many …