Lincoln-Sudbury High is seeing double: this year there are 37 sets of twins among its 1,576 students.
Sophomores Kevin, left, and Scott Henderson are pictured. They are among the eight sets of twins that are part of the sophomore class, according to the school.
In the senior class there are eight sets of twins, nine in the junior class, and 12 in the freshman class.
Between 2008 and 2010, Massachusetts had the second highest rate of twin births in the nation, behind Connecticut.