1. My school begins at 8:30 a.m. like Bora's school.

2. Our school begins at 8:30 a.m. like Bors'a school.

(Which one is correct? Are both OK, my school and our school?)

3. My school and Bora's school are the same as follows. School begins at 8:30 a.m. Bora likes her school. I also like my school. However, my school and Bora's school are different as follows.
My school is over at 3: 10 p.m. However, Bora's school is over at 3: 30 p.m. Boras goes to a drama club, but I go to a sports journalism club.

(Would you check the passage? Thnak you.)

As for #1 and #2, both are correct. Have another look at the last sentence = Boras. Is the name Bora or Boras? Of course, the Bora's is possessive.

Sra

Both sentences 1 and 2 are correct, but they convey slightly different meanings.

Sentence 1, "My school begins at 8:30 a.m. like Bora's school," indicates that the speaker's school and Bora's school start at the same time.

Sentence 2, "Our school begins at 8:30 a.m. like Bora's school," implies that the speaker and Bora both attend the same school and that the school starts at 8:30 a.m.

As for the passage in question 3, it appears to be mostly correct. However, there are a few minor adjustments needed for clarity and grammar:

"My school and Bora's school are the same in some ways. School begins at 8:30 a.m. Bora likes her school, and I also like mine. However, there are some differences between my school and Bora's school. My school ends at 3:10 p.m., whereas Bora's school ends at 3:30 p.m. Bora goes to a drama club, but I attend a sports journalism club."

These revisions help make the text clearer and more concise.