Can you tell us what is this mean?

SMS - English

A 13-year-old schoolgirl from Scotland wrote this letter.

"My smmr hols wr CWOT. B4, we usd 2 go 2 NY 2C my bro, his GF & thr 3 :-@ kds FTF. ILNY, its gr8. Bt my Ps wr so {:-/ BC o 9/11 tht they dcdd 2 stay in SCO & spnd 2wks up N. Up N, WUCIWUG -- 0. I ws vvv brd in MON. 0 bt baas & ^^^^^. AAR8, my Ps wr :-) -- they sd ICBW, & tht they wr ha-p 4 the pc&qt...IDTS!! I wntd 2 go hm ASAP, 2C my M8s again. 2day, I cam bk 2 skool. I feel v O:-) BC I hv dn all my hm wrk. Now its BAU ..."