LEXINGTON, S.C. – A school’s sure-fire way to raise funds for its parent-teacher organization may be coming to an end as South Carolina grapples with the Michelle Obama-inspired federal school lunch rules.

One day a month, Lexington’s Midway Elementary School PTO volunteers could sell some 500 Chick-fil-A biscuit sandwiches to students on the school sidewalk in 30 minutes, netting a profit of $625 for the organization, according to The State.

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But now, the sandwiches don’t meet the federal guidelines regulating school fundraisers.

“The kids love them,” parent Ashley Cooper says.

“They can eat them now or save them for a snack. I mean it’s a Chick-fil-A biscuit. It doesn’t have bacon or cheese or all of that stuff on it.”

Organizers hoped a smaller version – a Chick-n-mini – would be allowed by the Feds. That, too, fell out of compliance.

While some parents and school leaders are seeking common sense leniency, others are doubling down and are trying to block any exemptions to the rules.

State Superintendent Mickey Zais refers to them as the “Twinkie Police.”

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“We need to ensure that the healthy choice is the easy choice for our schoolchildren,” Beth Franco, executive director of Eat Smart Move More, tells the paper.

“The best way to do this is to guarantee that there are zero exemptions to Smart Snack guidelines in all of South Carolina’s schools.”

“Good habits learned as a child are easy to maintain, but poor habits are difficult to change,” Dr. Bruce Snyder, past president of the S.C. Medical Association, adds.

But the state school board is considering exempting 90 days per school year to allow such fundraisers to continue. Most schools have about 180 school days.

The Lexington parents canceled the Chick-fil-A fundraisers after district leaders told them they were a violation of the federal rules.

The monthly fundraiser scheduled for January is in limbo.

“We don’t do this because we love doing it and it’s fun,” PTO president Anne Marie Green tells the paper, recalling one morning when temperatures were below freezing.

“We do it because the schools need the funds.”