Ren Zelaya has been a PTA dad for 20 years, first in Freeport, New York and now in Westbury, where he just finished a term as president of the Westbury High School PTSA. Someone came to him recently about a book fair and asked for a flyer. Before PosterMyWall that was an hour of his evening. He had it done in 15 minutes. Over the years he has tried WordPerfect, Word, Paint, and even PowerPoint, and he has been building the PTSA's designs in PosterMyWall since 2017.
School events repeat, and Ren treats that as the shortcut it is. Every Halloween he opens last year's poster for the Westbury Middle School Spooky Walk, duplicates it, updates the date, time, and details, and it is finished. The same logic covers prom, graduation, membership drives, and safety notices, and the PTSA's output now runs to flyers, posters, social posts, Facebook cover pages, awards certificates, and raffle tickets. One click resizes a square design into a vertical flyer, or turns a finished flyer into an Instagram post. For a volunteer organisation with almost no budget, none of this costs anything extra.
Spirit week works exactly like this. Build the week once from school templates, give each theme day its own version, and keep the set so next year is a date change rather than a rebuild. Resize the daily posters into posts for the school feed, and line the whole week up in the Content Planner so each morning's reminder goes out on its own.