The school has 15 x 20 = <<15*20=300>>300 students right now.

They have an additional 5 x 20 = <<5*20=100>>100 students after adding 5 more classes.

Therefore, Texas Integrated School will have a total of 300+100= <<300+100=400>>400 students.

# Answer

400
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Texas Integrated School has 15 classes and has 20 students per class.  They added five more classes, how many students will they have now?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
400
Texas Integrated School has 15 classes and has 20 students per class.  They added five more classes, how many students will they have now?
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