Potential Paths: Path 1: Using Nolej and MagicSchool AI in combination. Nolej creates interactive micro-learning packages from existing content which would help in the lesson planning process. These could be further supplemented by the lesson planning library available via MagicSchool AI, providing a handy mix of both customization and ready-made plans. The original content creation feature of MagicSchool AI could also be used for developing subsequent lessons. Path 2: Primarily relying on MagicSchool AI for lesson planning and content generation, and using Enlighten AI to help with the grading process. This combination is useful since MagicSchool AI provides a suite of functionalities for planning and content creation, while Enlighten AI brings efficiency in grading assignments, thus optimizing various aspects of a teacher's roles.

Final Narrative: Based on your query asking for AI-powered tools to assist with lesson planning, content generation, and organization, using MagicSchool AI and Enlighten AI in combination seem to be the ideal solution.

Use MagicSchool AI for lesson planning and content creation. It offers a library of lesson plans, tailored to different subjects, grade levels, and learning objectives. It also allows you to create original educational content that aligns with the standards. Furthermore, custom assessments that align with the curriculum and learning objectives can be quicklu created using this tool.

Complement the use of MagicSchool AI with Enlighten AI, which is a significantly strong tool for grading student work. It uses AI to learn from your unique grading style and suggests grades and feedback accordingly. This would speed up your grading process, save time, and allow you to focus more on interacting with the students.

Both of these AI-powered EdTech tools can effectively help to generate, organize, and optimize your lesson plans while increasing your efficiency in teaching tasks. They are user-friendly, easy to integrate into your existing workflow, and currently available for free. Therefore, they neatly address your requirements and would be a valuable addition to your educational toolkit.