The schoolhouse reveals that the story takes place in the distant past because it is the only one for all the island's students
Hope this helps!
It's a place where Muslims worship their God (allah)
The teddy bear symbolizes Cara's love for her grandfather because that text states that "Now, every time Cara misses her grandfather, she holds on tightly." This statement supports that everytime Cara misses her grandfater she squeezes it tightly to remind her love for him.
