Translation of clasificar

I came on time and two hours later I arrived at Tuxla Gutieres. I was always suspicious here and I never knew whom to trust. Somehow I got to the airport a few hours too early but this is better.
Every school has some narrow minded teachers who are not willing in investing in progressive educational process. They do not grasp that schooling methods today are different from last century's methods.
There were heaps of people in this area and we really had to struggle to get through the crowds. We drank a few beers and a couple glasses of wine and being totally tipsy Lili decided she needed to return.