You can find keywords in several ways:
1) Brainstorm words that are related to the words in your search; e.g.:
- education
- high school
- middle school
- students
2) Look for words that databases use as controlled vocabulary (in PsycINFO, find this using the Thesaurus tool):
Example
![](//s3.amazonaws.com/libapps/accounts/7288/images/Screen_Shot_2016-11-02_at_10.21.50_AM.png)