an ai k-12 tutor

I'm looking for an AI tutor to cover a k-12 curriculum and focus on all subjects. Ideally, I'm looking for lessons on an everyday basis. This means the AI tutor should be robust enough to provide customized lesson content for an extensive range of content and grade levels. My goal is to find a reliable and reliable AI tutor that can confidently help me accelerate the learning process and provide valuable insights to my students.