EducationWhen ‘demand’ is higher than ‘supply’: substitute teacher numbers in schoolsBy Elizabeth Miller (OPB)Jan. 29, 2022 12:47 a.m.Most Oregon districts aren’t using a new emergency license. 📨 Daily news in your inboxSign up today for OPB’s “First Look” – your daily guide to the most important news and culture stories from around the Northwest.EmailPlease leave this field blankSign up