The milk kids are now drinking in District 97 is a lot healthier than in years past, because the district has gone “rBST free.” That little nugget of alphabet soup stands for the artificial growth hormone given to cows to increase milk production. Health experts for adults and children alike have pushed for milk free of rBST, or recombinant Bovine Growth Hormone.

Oak Park’s elementary school district is also saving money with the switch. Illinois-based Bob’s Dairy is providing the hormone-free milk. The district last year spent more than $85,000 on milk for its 5,000 students. That comes to about 447,000 cartons used, according to figures from the district. If the same amount is used this year, the district would save about $13,000 using the new milk.

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