Harker School’s tuition is significantly higher than most comparable private schools in the Bay Area. Preschool tuition is $29,561 for full day, $20,831 for half day; kindergarten and elementary tuition is $34,678; middle school tuition is $42,237; upper school tuition is $45,877.
Harker School - Wikipedia
Also Harker is not the most expensive private school in the bay area. So it depends on what the cost of after school care is going to be to see if this makes economic sense.