For a home schooled student, an SAT/ACT score is essential as you have to show how you can perform outside your home schooling situation. A 34 is at the 75th percentile for Case Students.
You also want to major in CS, so you have showed them you have some interest and possibly some expertise there.
You have shown that you contribute to the community with your 250 hours of service.
What courses did you take?
Any APs?
Any Dual Enrollment?
Make sure to show interest…it can only help.