The English Language Arts (ELA) and Math lessons at https://www.unbounded.org look very well organised and professional. Everything is laid out in curriculum order with detailed lesson plans and materials (typically pdfs), including class duration. (Although I wish the pdf view was in a full window.)
https://www.unbounded.org/explore_curriculum
Definitely need permission from them because their terms of use disallows automated downloads.
This is a resource aimed at capable teachers, not self-learning students.
~Brian