Four free courses by Laura Chappel, founder of Wireshark. Wireshark is a network monitoring and analysis tool used by system administrators. Grade 10 – adult | free | Chappel University
A series of more than 115 ICT activities to choose from, teaching activities like creating and using excel spreadsheets and making presentations on Power Point. Grade 7 – 12 | secular | free
A host of resources to assist with teaching the British GCSE Computer Science curriculum, including worksheets, power point presentations and homework guides. Grade 9 – 11 | secular | from about $6 per month