Here are four takeaways from oral arguments before the Supreme Court

A decision is expected by the end of June .

Oral arguments before the Supreme Court centered on whether the books were mere exposure or coercion violating the religious beliefs of parents.

The books were approved for pre-K, which in Montgomery County could start as early as three if they are going to turn four that fall .

Plaintiffs were suing on religious grounds, including Catholic , Muslim , and Ukrainian Orthodox .

Montgomery County school district contends this would mean no limit for accommodations.

Alito and Sotomayor referred to one of the books, “Uncle Bobby’s Wedding,” about a same-sex wedding.