"Is the backpack in the hall her's" is the correct way to complete the sentence, since we are dealing with a possessive singular noun, which requires the apostrophe to go inside the "s".
There are many reasons we go to school. The main reason we attend school is to gain the skills and education needed to live autonomously and successfully. School also teaches us social skills we will need in our future lives and careers. ... Public education teaches us how to collaborate effectively with others.
Hope this helps NoahJones-
U missed the “it” in the middle of because and was
