Spirit Week – Retro Day Posted by marlboroughadmin on November 30, 2021 Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: December 13, 2021 all day 2021-12-13T00:00:00-08:00 2021-12-14T00:00:00-08:00 School Decades Day / Retro Day. Dress up in clothing from different times in the past (70’s, 80’s, 90’s).