Babysitter Needed for my Children - Now Hiring

We are in the market for a great afternoon babysitter for our kids, ages 10 (5th grade) and 12 (7th grade). Roughly 25 hours a week, from @ 3:00pm-8:00 p.m. daily. Candidate should have a car and be able to drive to afterschool activities. We would also welcome homework help in the evenings. We are transitioning from a wonderful full-time nanny after 10 years, so this is a big change for us. Were looking for someone great who the kids (and we!) will be excited to welcome into our family.