ryan robert ervin >> reporter: 12 sets of twins and one set of triplets, to be exactly, making up 7% of this high school class in vernon hills high school in illinois. the special milestone bitter sweetarately. >> i'm excited to go to u of i >> reporter: with kaylee going to kansas state university, ryan at university of illinois and olivia heading to davenport university, they're ready to take the next step after a lifetime together so far an experience i'm familiar with myself my twin sister barbara and i graduated from austin high school in 2000 from there, our paths diverged barbara headed to yale university while i attded the university of texas at austin. she dove into the world of nonprofits, while i talked to america every morning on tv. but as these 27 students know, distance can never weaken their special bond okay, guys, 13 sets of siblings in the same graduating class is certainly rare the record holder is a high school not too far from vernon hills that had 44 sets of twins. >> wait. what >> 44 in 2017. >> that part of the country -- >> i know. something is in the water. >> for sure. >> we're happy to have many of those brand new grads with us. seven sets of twins. we ha