Marcia Hartigan holds up a plastic bag containing a rainbow trout before it is released into Lake Michigan at Touhy Avenue Beach Friday, April 20, 2012, in Chicago. Students from St. Margaret Mary School hatched, raised, then released 110 rainbow trout through school a program called "Trout in the Classroom." | John J. Kim~Sun-Times

Student Austin Walker, 12, left, is wrapped in a rainbow trout quilt as classmate Michael Kwakye, 13, holds the quilt before students release classroom-raised rainbow trout into Lake Michigan at Touhy Avenue Beach Friday, April 20, 2012, in Chicago. Students from St. Margaret Mary School hatched, raised, then released 110 rainbow trout through a school program called "Trout in the Classroom." | John J. Kim~Sun-Times

Rainbow trout are released into Lake Michigan at Touhy Avenue Beach Friday, April 20, 2012, in Chicago. Students from St. Margaret Mary School hatched, raised, then released 110 rainbow trout through a school program called "Trout in the Classroom." | John J. Kim~Sun-Times

Students cover themselves from the wind before releasing rainbow trout into Lake Michigan at Touhy Avenue Beach Friday, April 20, 2012, in Chicago. Students from St. Margaret Mary School hatched, raised, then released 110 rainbow trout through a school program called "Trout in the Classroom." | John J. Kim~Sun-Times

U.S. Rep. Jan Schakowsky (D-9th Dist.) carries a bucket of lake water during a rainbow trout release on Lake Michigan at Touhy Avenue Beach Friday, April 20, 2012, in Chicago. Students from St. Margaret Mary School hatched, raised, then released 110 rainbow trout through a program called "Trout in the Classroom." | John J. Kim~Sun-Times

Students hold plastic bags containing rainbow trout before releasing them into Lake Michigan at Touhy Avenue Beach Friday, April 20, 2012, in Chicago. Students from St. Margaret Mary School hatched, raised, then released 110 rainbow trout through a school program called "Trout in the Classroom." | John J. Kim~Sun-Times

Students hold plastic bags containing rainbow trout before releasing them into Lake Michigan at Touhy Avenue Beach Friday, April 20, 2012, in Chicago. Students from St. Margaret Mary School hatched, raised, then released 110 rainbow trout through a school program called "Trout in the Classroom." | John J. Kim~Sun-Times

U.S. Rep. Jan Schakowsky (D-IL), right, looks at a hand-made trout patch quilt before helping to release rainbow trout into Lake Michigan at Touhy Avenue Beach Friday, April 20, 2012, in Chicago. Students from St. Margaret Mary School hatched, raised, then released 110 rainbow trout through a program called "Trout in the Classroom." | John J. Kim~Sun-Times

U.S. Rep. Jan Schakowsky (D-IL) speaks before helping to release rainbow trout into Lake Michigan at Touhy Avenue Beach Friday, April 20, 2012, in Chicago. Students from St. Margaret Mary School hatched, raised, then released 110 rainbow trout through a program called "Trout in the Classroom." | John J. Kim~Sun-Times

U.S. Rep. Jan Schakowsky (D-IL) speaks before helping to release rainbow trout into Lake Michigan at Touhy Avenue Beach Friday, April 20, 2012, in Chicago. Students from St. Margaret Mary School hatched, raised, then released 110 rainbow trout through a program called "Trout in the Classroom." | John J. Kim~Sun-Times

Dave Cozzolino stacks boxes of live trout, individually contained in plastic bags, before they are released into Lake Michigan at Touhy Avenue Beach Friday, April 20, 2012, in Chicago. Students from St. Margaret Mary School hatched, raised, then released 110 rainbow trout through a school program called "Trout in the Classroom." | John J. Kim~Sun-Times

Rainbow trout are released into Lake Michigan at Touhy Avenue Beach Friday, April 20, 2012, in Chicago. Students from St. Margaret Mary School hatched, raised, then released 110 rainbow trout through a school program called "Trout in the Classroom." | John J. Kim~Sun-Times

Students gather to release rainbow trout into Lake Michigan at Touhy Avenue Beach Friday, April 20, 2012, in Chicago. Students from St. Margaret Mary School hatched, raised, then released 110 rainbow trout through a school program called "Trout in the Classroom." | John J. Kim~Sun-Times

A student holds a plastic bag containing a rainbow trout before releasing it into Lake Michigan at Touhy Avenue Beach Friday, April 20, 2012, in Chicago. Students from St. Margaret Mary School hatched, raised, then released 110 rainbow trout through a school program called "Trout in the Classroom." | John J. Kim~Sun-Times