Find a senior or elder sister who passed that school in the past and ask her (him) to recommend it to you directly. Generally, this is more reliable.
If you have a classmate from that school, ask him to find the college office you want to apply for, and you should be able to get a list of tutors. Of course, this comparison examines your classmate's eloquence. . .
4 find a relationship. . Ask parents if there are any relatives or classmates working in that school. .