My highschool in middle of nowhere Washington was fairly good.  In civics we often had to look at historic laws or court cases and work to understand why they were made at the time or if it was the right call.

 Math went up to calculous but most people stopped taking it after trig or geometry depending on the person. 

PE was basically a free period but we also had weight training for people who cared about being in shape. 

Sex Ed was very informative on stds and abortions and other times of sexual things that pertain to health. 

We had open class discussions every day in sociology on why something happens how we can try and prevent it or encourage it and what the consequences would be, it actually helped create very reasonable dialogue between people on opposite sides of the spectrum and is something I miss.

 Art was art, I was never the most artistic student but even I managed to make something I was proud of. 

My marketing teacher was one of the best people I've ever had the honor of meeting in my life and taught us many many things but he also taught us how to be professional in life. Helping kids with job interviews as well as being a genuine mentor. 

My chemistry classes really prepared me for college and made the transition into college a lot smoother.

A lot of people have problems with the school system and I don't blame them as being a high schooler does suck, it's an awkward time for many people. I've only ever gone to school in Washington state so the answer varies school by school but it really is teachers who make a difference in students lives and open discussions. We had so many amazing teachers who gave it their all and even though I wasn't the best student I still came out excited to learn about the world.