Advice for straight A's?

Pre-College Issues High School Life
1

Please give me any tips or advice to earn better grades and to improve in high school! I’m struggling a lot this year and any piece of advice can help me greatly. Thank you!

2

Check this out: http://talk.collegeconfidential.com/high-school-life/2026961-what-to-do-when-you-arent-doing-well-in-a-hs-class-p1.html