educational travel for my boys

Hello, Im a mom with 2 twin boys both 14 in 8th grade Johnny and Dominick Ybarra  A+ students at Stacey middle school and trying to send them to  Washington, D.C. educational travel trip At this point I have give more than half of the money to the school for the trip working every hard picking up doubles at work working two jobs I’ve been doing this for a whole year so I could send those boys to the trip I was supposed to give all of my tax money for the trip but I just found out I will not be getting my tax money.I’m very hurt ,upset stressed out friends and family telling me to give up but as a mother I can’t.. My boys deserve it they brought up their grades, leadership, awards for respect , attendance etc . I’m asking you guys to please help me out .. I just need to rise 2,700 so I can spend my both boys to these trip ... every dollar counts