Whether they're in junior infants or junior cert, the cost of going back to school can be astronomical.

From schoolbags to pencil cases, lunchboxes to stationery, the little things add up before you add things like schoolbooks and uniforms into the mix.

But there are plenty of ways to save cash around this time of the year and there's no better expert than Mrs Smart Money. 

Kildare mammy Kel Galavan started blogging about cash after she saved nearly €30,000 after giving up her job and embarking on a no-spend year.

Speaking to Dermot and Dave, Kel had some tips on cutting back the costs of going back to school.