Как правильно? there are a lot of trees along street(есть много деревьев вдоль улицы ) или there are a lot of trees across street(есть много деревьев по всей улице

Across - означает пересекать, через правильно будет "along"

Our boarding school is a big, friendly family, and therefore on friday i do not want to part with friends. did you see that the tenth graders were friends with first-graders? and here are friends! and the boys and girls get on well together. we have six meals a day, cozy bedrooms, each class has its own class teacher. we can study in different circles. theatrical. music, сomputer, you canswim in the pool or play football on the court. there are almost every day discos. we get good knowledge here and we are happy вроде так тоже хочу в школу интернат

"our boarding school is a big friendly family, and therefore on friday i do not want to part with my friends. did you see that the tenth grade students were friends with first-graders? and here they are friends! " and the boys and girls are getting along well together: we have six meals a day, cozy bedrooms , each class has its own class teacher.we can study in different circles: theater, music, computer, you can swim in the pool or play on the court in football.there are almost every day discos.we get good knowledge here and we are happy willow ".