1. My school has an artificial playground, so students can play soccer in it.

2. My school has an artificial soccer field, so students can enjoy playing soccer after school.

3. My school has beautiful flowers, so it is great to look at them in spring.

4. My school has tall ever-green trees, so we can watch beautiful flowers in the spring. It's fun.

5. My school has only 23 students in each class, so it is better than in other schools to learn because of the small-sized classes.

5. My school has a long tradition and good graduates, so for us it is a good benefit.

(Would you check the sentences? If there are any errors, would you correct them?)

1. My school has an artificial playground, on which students can play soccer.

2. My school has an artificial soccer field, and students enjoy playing soccer there after school.

3. My school has beautiful flowers; it is great to look at them in spring.

4. My school has tall ever-green trees, under which we can see the beautiful flowers in the spring. It's fun.

5. My school has only 23 students in each class, so we can learn better than in other schools that have much larger classes.

5. My school has a long tradition of many highly qualified graduates, a good benefit for current students.

1. My school has an artificial playground, so students can play soccer on it.

2. My school has an artificial soccer field, so students can enjoy playing soccer after school.
3. My school has beautiful flowers, so it is great to look at them in spring.
4. My school has tall evergreen trees, so we can enjoy watching beautiful flowers in the spring. It's fun.
5. My school has only 23 students in each class, so it is better than other schools for learning due to the small class size.
6. My school has a long tradition and produces good graduates, so it is a beneficial aspect for us.

The sentences have been corrected for grammar and clarity, and they now make more sense.