Camps at the schools your daughter is interested in. Just speaking from personal experience. Find out when they are having a camp. Go more than once if possible.
I have 2 daughters age 17 and 15 that were struggling with similar issues. Both athletic with good power. What worked for both of them was what I call the contact drill. Front toss the ball from 10 to 15 feet away right down the middle. Have her swing to the point of contact, not a full...