Your parents should know about this. Schools do not take these actions without a phone call home about it. Also, wanting to get revenge shows that you are not innocent.
Social probation is set based on your grades at term. Grades start over, does not mean now you are free. You had a whole term of slacking, and now you have a term to keep them up. This is not uncommon. Now that they are letting go on the next trip proves the point. When you do as you are requested and work hard, you are rewarded. Keep doing better and thing will be great.
Stating that it does not matter until high school is like Kobe saying it does not matter at practice, only the game. Early this year Kobe had a bad game missing a winning shot. Instead of going out, he went back on the court and practiced for over an hour. If you want to be the best you, you have to work at it. Not mail it in.
Just a heads up, not this was going to happen, but you can be expelled from school for academic noncompliance. Not passing is punishable by kicking you out of school. This is allowed at public schools. Now that you know the truth, do better like you have over the last few weeks and learn from this experience.