This is a great article with suggestions on how to manage screens at home.

Common Sense Media is also a great place to go for checking movies, books, and video games in terms of age-appropriate content.  They give a suggested age and also have details on the language used, violence/sex/drugs present, consumerism, and what positive role models or messages there are.

https://www.commonsensemedia.org/blog/school-year-screen-time-rules-from-a-teacher-0