If you're looking for a service to replace faces in historical photos for educational purposes, PiktID is a good option. It's a suite of tools for face anonymization, image tagging and photo editing, including face replacement up to 8K resolution. PiktID is geared for schools and universities, so you can expect high quality, security and flexibility for managing and manipulating visual assets.
Another good option is ChangeFace.ai, an AI-powered service that lets you replace your face with those of famous historical figures. It's got a limited free version and a paid image pack, so it can be used for both educational and entertainment purposes. It's a good option if you want to create engaging and educational content.
Last, DeepFaceSwap is a simple face-swapping service with no watermark or filters. It's got three AI-powered tools: Face Swapper for image face swaps, Avatar AI for custom avatars and Companion AI for AI-powered chatbot interactions. It's free to use, though with a daily limit, and offers a premium option for more features, so it's a good option for schools that want to create realistic face swaps and custom avatars.