Schoology (like other similar platforms) has had a dramatic increase in users over the past few weeks as so many schools across the country have moved to online learning. They are working to increase their capacity and the connection will get better. In the meantime, please be patient and try some of these tips:
Take a lunch break at 11 am. This is when Schoology tends to have the most traffic and, as a result, sometimes goes down.
If you are having other problems with Schoology, submit a help request form.