You have my sympathies, I would suggest you change school, but as you seem to be quite near the end of your training, this may not be feasible.
When are schhols going to get a bit more businesslike and develope some customer care ! We all pay a lot to fly and I think we deserve a lot better service from FTO's.
On the other hand, I know some 'hours' building instructors who are a joy to fly with and their instruction is excellent and some schools re very good, so I don't want to be accused of tarring them all with same brush !