The collective noun is a class of schoolchildren.

Schoolchildren, one word.

The cast of Creating Rem Lezar - 1989 includes: Evan Abbey as Park Quartet Michele Alshur as Schoolchildren Christopher Donnelly as Schoolchildren Melissa Erdman as Schoolchildren Robert Fiumara as Schoolchildren Lisa Fiumara as Schoolchildren Devery Gladney as Park Rapper Celeste Goch as Schoolchildren Jonathan Goch as Zack Daylon James as Schoolchildren Courtney Kernaghan as Ashlee Ed Luparello as Park Quartet Billy Manning as Park Quartet Teresa Simpson as School Teacher Tina Topper as Art Teacher Renee Topper as Schoolchildren Ryan Topper as Schoolchildren Randy Wolner as Schoolchildren Scott Zakarin as Vorock

National Socialist Schoolchildren's League ended in 1933.

National Socialist Schoolchildren's League was created in 1929.