MECHANICSBURG, Pa. — A Pennsylvania school district says children won’t be let outside for recess during the upcoming solar eclipse because of the potential harm to students who look at the sun.

The Cumberland Valley School District sent a letter to parents Monday saying the decision was made after consulting the district’s physician.

The letter says district officials recognize that the opportunity to view an eclipse is rare, but the safety of students is more important.

More:Total solar eclipse 1st in 99 years to sweep width of U.S.

NASA officials recommend viewing the eclipse through specially-made glasses to prevent eye damage.

Central Pennsylvania will see a partial eclipse on Aug. 21 between approximately 1 p.m. and 4 p.m.

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