- Students at New Trier High School
- 45 total number
- United States (Winnetka)
The most multiples in the same academic year at one school is 45, and was achieved by students at New Trier High School, in Winnetka, Illinois, USA, as verified on 18 May 2017.
This group of multiples includes 44 sets of twins and 1 set of triplets. These students are currently enrolled in the 2020 class as New Trier High School.