Retired/Experienced HS Teacher Needed: Math, Chem and Writing

We’re looking for a tutor for 15yo son. Must be experienced math and chemistry teacher in advanced math classes. Prefer teaching experience, not just tutoring. Must also be flexible on hours and days as sports practice schedule changes frequently. Must be willing to drive to meet at school or home or drop-off at practice. Great references. No recruiters or services. Located in Ventura beach area. Mostly afternoons, evenings or weekends. 8 hours/week until Xmas with potential extension. Need homework help but also filling in gaps in knowledge. Flexible on compensation for right person.