GROVEPORT, Ohio -- Dressing up in Halloween costumes in grade school and having punch and cookies used to be one of the most anticipated days of the school year. Now, students at one elementary school in Ohio won't have those memories, WCMH-TV reported. Administrators sent a letter home with students Thursday alerting parents that there will no longer be Halloween, Christmas or Valentine's Day parties. "Since they are canceling these activities, it's kind of like they are taking tradition out of school," said Chris Ayers, a parent. Principal William Sternberg said about 15 percent of the student population doesn't participate...