I've never flown a 152. But I always had my students flare to an attitute where the prop spinner is pointing at the tree tops at the end of the runway. That worked pretty nice. If you're in the northwest where the trees get big, don't do this.

It takes a couple hours to get used to a new model aircraft. 152s and 172s are similiar in layout as you know. They are different though.

I'll echo the sentiments above. You're the customer. Fly the aircraft you want to fly. It sounds like this place doesn't have a schedule that meets your needs. This will cost you money in the long run. Check around at other local airports. There may be a small FBO with a rental fleet and a couple instructors that can meet your schedule.