Another good option is MagicSchool, which offers a suite of AI tools for lesson planning, differentiated instruction and student communication. It includes tools like a 5E model science lesson plan generator, AI-proof assignment generator and academic content generator. MagicSchool works with common LMS systems like Google Classroom so it's easy to integrate and offers a secure learning environment.
If grading is your top priority, CoGrader is worth a look. It offers immediate first-pass feedback and grades based on rubrics you set, freeing up 80% of the time you'd otherwise spend grading. CoGrader integrates with Google Classroom and offers bulk export options for Canvas and Schoology, so it's a good option if you're trying to manage assignments and grades.