for years, love sent now love returned. i take a note out every time i feel like i can t do it and you helped me do it. you are like the reason i kept going on and it s been a tough year, so i m really glad that you guys are here with me, and i m glad you guys helped me grow as a student and as a person. reporter: mina always with the right words. even when her teachers struggle to find theirs she is just a really sweet kid reporter: boyd hupert, nbc news, roseville, minnesota gratitude we talk about it all the time mina told her teachers that she hopes to be a teacher herself one day. go figure. that s nbc nightly news for this sunday night lester holt is back
stopped. this one is kindergarten. reporter: mina, who first learned to speak hmung was working on english when she met school health assistant kathy case dear mrs. sharpe. reporter: fifth grade mina sent this note to her teacher laura sharpe so sweet. reporter: she is getting them still 12. reporter: all through high school mina kept adding to the list. for today i m on 18. reporter: total 74 teachers and school staffers. dear ms. wolfe. reporter: sarah wolfe and so many others still receiving mina s notes once she was done here it was almost it became a mission for her to leave just a wake of positivity mina yang. reporter: before yesterday s high school graduation all right i m going to go get her. reporter: there is something your teachers would also like you to know