if a yeshiva is offering a secular education, it should be done in a serious manner. the teachers should know their subject matter and be capable of teaching it. the boys should know that they are expected to behave and to pay attention, and that if they put in the necessary time studying, they will likely get decent grades.
HIE, are we on the same page?
by the way, if bittul Torah is a big concern of yours, what are doing here?