Schoology provides a way to check your system (computer, tablet or smartphone) to ensure things are running smoothly. Visit this link if you’re having any issues. For example, browsers are constantly updating. Make sure you have the latest one to run Schoology smoothly.
To view the update, click the link below: http://shc.schoology.com/school/639235561/update/830136427
If Schoology is not allowing you to log in to the site, try logging out of all of your Google accounts, then logging into your student/faculty/staff account, then going to shc.schoology.com.