You can also access these sites through the Schoology waffle: LAUSD Digital Library
Encyclopedia Britannica Middle: https://school.eb.com/levels/middle
Encyclopedia Britannica High School: https://school.eb.com/levels/high
ProQuest eLibrary for commonly researched topics in middle/high school: https://explore.proquest.com/elibrary/home
ProQuest PBS video collection: https://video.alexanderstreet.com/channel/pbs
(PAYWALL HINT - using google you can search for "Los Angeles Times: [topic]. For example "Los Angeles Times: climate change", or "Los Angeles Times: Kobe Bryant". This works for other sources, too.)
https://ca.pbslearningmedia.org: PBS Learning Media for Teachers and Students