After school care for teenagers

Hi. I had to update this job as I now require someone weekly four to 5 days a week. I am a single mum with a full time job. I have 2 kids (boy age 15 and girl 12). My kids are very well behaved. Start time is 3pm. I am looking for someone who can commit to a min 6 months but ideally a couple of years. There is also some washing of clothes for the kids. You need to have your own car incase you need to drive to pick them up. Thank you!