BBC Bitesize Gàidhlig resources for all ages at Secondary and also for Gaelic (Learners)
Ionnsaich le BBC Alba
Lots of resources available for all school age children. Short videos in Gaelic for a range of topics such as Maths, Literacy, Science and Social Subjects. There is a lot of material available secondary level for National 4, National 5, higher and Advanced Higher and also for Gaelic (Learners)
Comhairle nan Leahbraichean and Giglets Education have teamed up offering a selection of books online. You need to register, but once registered they are free for you to read and there a large choice of books for different age groups.
A channel created by Calum Ferguson and Donald Forbes. They bring football and Gaelic together in a fun and interesting way. Give them on a follow on Facebook and Twitter to follow their updates and hear about their new projects.