Hi my name is Bella and I was once too, like many students, studying calculus in high school. I am now starting the publication High School Calculus to build up a comprehensive library of calculus content for high school students and beyond.
The publication will have 7 subpages, each covering an important part of calculus. If you wanna learn calculus from the ground up, I recommend reading each article in this order.
I have compiled lists for your reference. You can also navigate through the home page.