Isn't Linear algebra taught in the 10th grade? I remember I took linear algebra again in college since they don't have an AP test for it, but it was mostly the

Isn't Linear algebra taught in the 10th grade? I remember I took linear algebra again in college since they don't have an AP test for it, but it was mostly the the same stuff. I remember getting an A in the class without too much studying since it was pretty much just using matrices. Isn't linear Algebra still taught in high school?