Critics say the new law is worse than Arizona's SB 1070.
By a 5-3 vote, the U.S. Supreme Court ruled that Arizona's first anti-immigrant law is legal.
Hundreds commemorated the 25th anniversary of the Illinois Coalition for Immigrant and Refugee Rights.
The measure will not impose any cost on Illinois taxpayers and could benefit as many as 95,000 immigrant youth.
The Illinois version does not include a path to citizenship, but its seen as a move to counter some of the anti-immigrant measures being proposed nationwide.
Classes at the school were on the "political time of day," capitalism, the labor movement, racism and immigration and LGBT rights.
Four years ago, the legislature passed a similar bill but lacked enough votes to override Republican Gov. Jodi Rell's veto.
The GOP in Congress is pushing new laws that would force employers to check the immigration status of new hires.
Immigrant rights activists say legendary guitarist Carlos Santana hit a home run during his speech at Major League Baseball's annual Civil Rights Game in Atlanta, Georgia, May 15.
To give the immigration debate a "human face" is the goal of director Ruth Leitman in her new film "Tony and Janina's American Wedding."