<p>What if a lot of schools require letters from high school teachers? Do the teachers you've asked actually write that many letters? Or do they make one and have it sent to all the schools you need to send to? Should I give the teachers the amount of envelopes as schools that I'm applying to?</p>
<p>Teachers reuse the recommendations, so all they have to do is change the school name, if it is included in the recommendation. When you ask for the recommendation from your teacher, give them the envelopes that are addressed to the schools you are applying to, and make sure to include a stamp!</p>
<p>If you’re applying through the commonapp, then the teacher can just write one recommendation and you can send it to all your schools through the system.</p>