Education Source is the primary database in Education studies. Begin your search here.
Once here you will want to familiarize yourself with the features which will make your searches most efficient.
I have requested the database to search for 'classroom management' and 'secondary education or high school' and 'student attitudes', but have also placed limiters on how much information I want returned:
I have limited my results to full text articles, published between January 2012 to January 2020, in Academic Journals. I also recommend the Scholarly (Peer Reviewed) limiter if you are looking for scientific, refereed findings.
This quick YouTube video made by describing locating articles in Education Source brings all these steps together: