The American Civil Liberties Union of Louisiana is accusing Airline High School Principal Jason Rowland of "religious proselytization" by writing the words "The Future Starts Today – May God Bless You All" in a message posted on the school’s website.

The ACLU's open letter, which was sent several weeks ago to the superintendent of Bossier Parish Schools, also complains about plans by the school's Fellowship of Christian Athletes club to place prayer request boxes around the campus.

“The United States Constitution requires public schools to ensure that state-supported activity is not used for religious indoctrination,” Louisiana ACLU Executive Director Marjorie Esman wrote.

Rowland said on "Fox and Friends Weekend" that the ACLU's letter came out of the blue, as he's never heard a complaint from any student or parent for saying, "God bless you."

"If it gets to that point and you're not even allowed to sneeze within a school system and say 'God bless you,' where's our culture? Where are we going if that's going to be offensive to someone?" Rowland wondered.

"If this is now going to be offensive, what's next? And so our community and our school system decided this is where it stops."

Watch more above.

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