Although students don't use it often, email is the major form of communication in the business world. This means that writing & sending emails, including email etiquette, are vital skills. That's why LCPS has given every LCPS student a Gmail address (studentID@lcps.org). We suggest that you use this email to communicate with your teachers. Make sure you check it often, as they will be emailing you, as well!
An inbox filled with email can be stressful. This video has some tips for how to get organized so it doesn't get ahead of you:
Read some more tips here.