Have you looked at these sites? www. worldofdavidwalliams.com
You can listen to all sorts of stories, suitable for different ages so no one has to miss out.
Are you having trouble with Maths? Look at www.mathsisfun.com
These sites can help you to understand various maths subjects and give examples for you to try.
Are your children just sitting in front of a screen all day? Give them a P.E. lesson! Check out YouTube and find 'PE With Joe'. This man gives 20-30 minute PE lessons every morning. It's time to get moving!
More sites to check out: www.bbc.co.uk.teach
www.worldbookday.com This site has some great ideas for book related activities. You can also listen to books being read, ideal for the younger members of the school especially.
www.readworks.org This is a good site to find texts for all ages to read.