Being able to communicate in more than one language can only work towards your benefit. The Arts - Few people realize that science is a creative process. Take some art, music or theater classes to let your creative juices flow. If you're considering a field in science, see what opportunites are available for high school students. Most hospitals have volunteer programs if you're intested in a biomedical field.
Many universities sponsor summer programs for high school students.
Via the Internet you can participate in ongoing research projects where students assist with the collection and interpretation of scientific data. Through such experiences you can learn first-hand what it takes to be a scientist. You should definitely discuss options with your parents and school guidance counselor. In this manner you can work in a lab while earning money to pay for school.