As an increasing number of U.S. public schools adjust their calendars to observe Muslim holidays, a debate is growing over how far schools should go to accommodate minority religious populations -- and where they should stop.

Federal and state laws prohibit schools from penalizing students for missing school on religious holidays. In many school systems, these have long included Good Friday and the Jewish holidays of Yom Kippur, Rosh Hashanah and Passover.

In many districts with sizable Catholic or Jewish populations, schools have traditionally closed on these holidays. But now the list of religious holidays increasingly includes Eid al-Fitr, which marks the end of Ramadan, and Eid al-Adha, which honors the Prophet Abraham. Some schools no longer administer tests on those holidays; others won't schedule school events, including sports activities, on the night before the holidays; and some districts are choosing to close their schools entirely.

Read the complete original version of this item...