Based on your search query, both DreamStudio and Midjourney could be excellent tools to foster creativity in your classroom. They both use AI to generate images from text prompts, which can be a powerful way to visualize abstract concepts and engage students in a unique, creative process.

DreamStudio offers a web-based platform where you can adjust various elements of the image, such as style and number. This feature could be particularly useful for creating unique images for different learning materials. Once you're satisfied with the image, you can download it for use in online courses, textbooks, or other resources.

On the other hand, Midjourney operates on Discord and offers a style transfer feature. This could be a great tool for demonstrating different art styles or creating consistent visuals for your lessons. It also has an image upscaling feature, which can enhance the quality of lower-resolution images, making it suitable for creating high-quality educational materials or presentations.

In terms of pricing, DreamStudio operates on a credit system, with each credit valued at approximately $0.01, while Midjourney employs a subscription-based model with multiple pricing options.

In conclusion, both tools could be beneficial depending on your specific needs and the platform you prefer to use. If you're looking for a web-based tool with adjustable image elements, DreamStudio might be the better choice. However, if you're comfortable using Discord and want the ability to transfer styles between images, Midjourney could be the way to go.