Google Sheets is an excellent and capable spreadsheet tool. This guide will take you through the basics of Sheets all the way to some fairly advanced concepts. If you need any further help with these, your learning coaches can help you or the IT department.
The Basics
Here are some tutorials we found from Google that are great at the basics.
Advanced
Here are some great next steps tutorials that were put together by some edtech teachers at Singapore American School. These are specifically aimed at tools you will need to analyze student learning data at any school.
The Slides are on this page (start at Slide 16). It is the first slide show that you see.
Or, watch the video.