. >> reporter: hershell elementary is looking for students. even its principal walk the neighborhood. why are you walking door to door? >> with the pandemic, the entire country experienced losing kids and hirsch specifically lost our students. >> reporter: they will offer learning on a case-by-case basis. it is based on the number of children physically in classrooms. making the persuasion campaign critical. tony dillworth had not reenrolled her 6-year-old son until a teacher showed up at her door. >> do you have any hesitation amid the delta variant about ?> him to have the one-on-one with the teacher. >> reporter: with covid cases rising, children under the age of 12 not eligible for the vaccine, and reports of more young people becoming seriously ill, parents are again questioning in-person learning. >>> should we be talking them into coming back into the classroom at all? >> so, we know that it was a disservice to have students out of the classroom not learning. our job is to make sure that our campuses are safe. >> reporter: superintenden

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