Students at Our Savior Lutheran School will join thousands of their peers across the country to celebrate Lutheran Schools Week beginning on Sunday, March 5 and continuing through Friday, March 10. The theme this year is: "Upon This Rock." On Sunday, the school’s 122 students will sing at the 11 a.m. service at Our Savior Lutheran Church, 825 South Taylor St., Arlington. Each school day will have its own theme: Monday will be "Vintage Day," students will wear black and white and view a "vintage" black and white short film; Tuesday's theme is "Cool for School," which will be crazy hair and sunglasses with school uniform day; Wednesday's theme is "Happy 64th Birthday OSLS" and students will wear a blue school colored shirt with jeans; Thursday's theme is “NUTy Clothes Day," where students will wear non-uniform clothes inside out, backwards, or mismatched. They will also go bowling. Friday's theme will be "Super Teams" where each student will wear their favorite team jersey and compete in super teams’ activities. The week will be capped with a Friday evening Bingo from 7-8:15 p.m.