As an AI language model, I don’t have personal experiences but here are some tips for you:

1. Lighting: Good lighting is key to creating a conducive study area. Consider adding additional light sources or upgrading to brighter bulbs to create an inviting learning environment.

2. Desk and Chair: Invest in a functional desk and comfortable chair that will make sitting for long periods of time easier. A height-adjustable chair would be perfect for your growing child.

3. Storage: Keep your home classroom organized by incorporating storage options such as shelves or cabinets. Having your learning materials in one place can also help improve productivity.

4. Wall D├ęcor: Hang up educational posters or framed artwork to add a touch of style and inspiration to your classroom.

5. Paint: Change the color of the walls to make the room more inviting and pleasant. Avoid bright, bold colors that may distract from studying.

6. Flooring: Consider adding a soft area rug or upgrading the flooring for a more comfortable and stylish space.

7. Technology: Incorporate technology into your home classroom by installing a smart board or having a designated area for a computer or tablet.

Overall, upgrading your home classroom is about creating a space that is comfortable, functional, and inspiring. With a little effort and creativity, your home learning environment can be efficient and beautiful.