Primary schoolmates Gathering

On the next Sunday I will be meeting my primary schoolmates... It been a long time we never gather together. Hope this time will be more of them to join us. Trying to get 1 of out teacher, but i just not able to contact her. Call her house a few time but not able to get her. I also not sure if she has change her no. So far there is quite a few have agreed to go for steamboat on that day.