Community sharing in schools

I needed some opinions here. So yesterday my daughter started second grade. Like every mother I went out and bought her new school supplies and some special little things to put in her glittered bedazzled pencil box....even she came home yesterday she was upset and I looked in her back pack and everything I had sent was gone. I had assumed the teacher had them leave their supplies in their desks so that there wouldn't ever be a time where they left them at home by accident ... when I was looking in her bag , my daughter started crying. Here what happened. Apparently everything the students brought in was taken and put into a community box for all the students to share, the students aren't allowed to have their own personal things bc according to this teacher it isn't fair to the students who can't afford supplies.... I am livid....- the things I sent were things that my daughter painstakingly picked out and we're special to her . A few of the things were gifts from family for her very special day of school. I don't really get the concept that's It's unfair to other students. She also has new shoes and clothes , when other students don't should she not be allowed new garments either. My husbsnd worked hard, alot of overtime, to make sure our children had what they needed . For me , the teacher had no right to take personal belongings, all she needed to do was send a letter out to all the parents asking for no personal school supplies be brought in and for parents to donate school materials. I would have no issue buying things for her class room. The thing is that I understand what she's trying to teach, fairness, sharing and community . I agree with the concept and also try and instill those qualities in my children. But I also believe that my children are entitled to have new things and personal belongings .. that doesn't make them bad and it isn't unfair. At the end of the day I have to make sure my children are provided for, and when I can as a fsmily we will often donate to those who can't provide for their children. However to take a seven year old belongings and tell her they are no longer hers is are little over board. . So this morning I wrote a letter to the teacher asking her to send back my daughter's belongings assuring her they would not be pendent again (didn't know she couldn't have her own school supplies) and also sent a huge bag of supplies for the classroom.... am I totally wrong? I was shocked honestly .....