schleyteach (@schleyteach) — subscribe link & stats

Channel tabs & counts

Per-tab counts come from YouTube's public statistics. Only Videos and Playlists have exact public totals. Shorts is estimated from the most recent 25 uploads. Live, Podcasts, Courses, Posts and Store are shown when the tab exists — YouTube does not publish a public count for those.

Videos 57 Total uploads Courses — Open on YouTube Playlists — Open on YouTube

Channel keywords (from page meta)

Taken from the public channel HTML when YouTube exposes a keywords meta tag.

video, sharing, camera phone, video phone, free, upload

Channel description

Online science lectures for high school students. I cover biology, environmental science and some lab procedures. A great resource for Intro Life Sciences, IB ESS (old syllabus), and IB Bio (FA 2025).