Why my old female friend ignoring me and behaves bad with me?

[Kim]

I am girl i recently
started a coaching
classes there i met my
old female friend then
she started talking to me
first after that while
taking she asked me for
facebook accout after
some days i went at her
home then she told me
to send her friend
request on facebook but
she hasnt any option to
add friend then i told her
to on add friend option
but she didnt after that i
went at her home again
while she was sleeping i
woke her up then she
said to me to go and lets
her sleep but i didnt
while talking she didnt
show any interest at my
and behaved not good
and then after some time
she told me to go i again
went to her home but
her mother told me to go
she is sleeping and
noone can disturb her
because she scolds and
her mother told me to go
and meet her at
coaching classess after a
month i add one of her
friend on facebook and
then sent her request
then she accepted it then
after a day i sent her a
message she seen it but
didnt reply i again sent
message her she seen it
too but didnt reply it too
she is the head girl of
her school why she dont
reply to my messages is
she ignoring me or not
interested and so why
she wants toadd me on
facebook

[Only Ramble]

She is obviously a past ACQUAINTANCE.
Not someone whon dislikes you. And not a close or personal friend either.

It's not necessary of you to patronize her residence for facebook info
Inviting yourself to another's home is inappropriate at best