Karate America 2205 N Calhoun Rd, Brookfield, WI53005 Karate America has 5 location in Southeast Wisconsin, including one in Brookfield. They offer children and adult…More instruction. The benefits of martial arts include self-confidence, self-defense, self-discipline, coordination, fitness, family enjoyment, making new friends and so much more. Become a Karate student today and your life will forever be changed in the best of ways! Call for class schedule information.