Offer photography services for family portraits, pet photos, or school events. Middle schoolers can practice their photography skills and provide affordable photo sessions to their community.

Middle schoolers can bake and sell homemade treats such as cookies, cupcakes, or brownies. They can take orders from classmates and teachers or sell them at school events and local markets.

Set up a small school supply store that sells items like pencils, notebooks, and erasers. Middle schoolers can manage inventory, handle sales, and offer practical supplies to their peers.

Design and sell customized T-shirts using fabric paint, markers, or screen printing techniques. Middle schoolers can create unique designs for school events, clubs, or personal requests from classmates.

Encourage middle schoolers to create and sell digital content like eBooks, educational videos, or art. They can share their expertise or talents on platforms like YouTube or Etsy and generate income from ads and sales.

Start a business offering gardening services like weeding, planting, and lawn mowing. Middle schoolers can promote their services through neighborhood flyers and earn money while enjoying outdoor activities.

Provide basic tech support for senior citizens in the community. Middle schoolers can help with setting up devices, teaching them how to use social media, or troubleshooting common tech issues.

Offer a recycling collection service where middle schoolers pick up recyclables from neighbors on a weekly basis. They can separate the materials and take them to local recycling centers, promoting environmental responsibility.

Create and sell handmade jewelry such as bracelets, necklaces, and earrings. Middle schoolers can use materials like beads, strings, and charms to craft unique pieces and sell them at local fairs or online.

Start a small snack delivery service where middle schoolers can take orders from classmates and deliver snacks during lunch breaks or after school. They can offer healthy options or favorite treats.

Middle schoolers can offer pet sitting or dog walking services for neighbors. They can create flyers to advertise their offerings and ensure they have a clear, responsible approach to taking care of pets.

Create and sell DIY craft kits that include all necessary materials and instructions for making fun projects like friendship bracelets, slime, or painted rocks. These kits can be marketed to peers and younger children.

Offer tutoring services in subjects like math, science, or English to younger students. Middle schoolers can create a schedule, promote their services in their community, and earn money while helping others improve their grades.

This idea involves making and selling personalized keychains that middle schoolers can attach to their backpacks. They can include names, initials, or small charms that represent hobbies or favorite animals.

Create a business where middle schoolers can design and sell customizable book covers to their peers. They can use various materials like plastic, cloth, or paper and offer personalized designs with names, favorite characters, or inspirational quotes.