Babysitter - Part time nanny

I live in chatham and am looking for someone to come to my house at 7.20am and then drop my two children off to two different schools. i then need them to be picked up at 3.00pm and taken back to my house until around 6.50pm. i just need this for monday's, thursday's and friday's. so the hours per week would be 16.5. i need this from monday 16th september.