美国高中权威的物理竞赛则是由美国物理教师协会（AAPT）主办的Fnet=ma exam。时间是每年的一月。由此选拔参加国际奥林匹克物理竞赛。你可以参考AAPT的官网：http://www.aapt.org/Programs/PhysicsBowl/有关中国学生参赛的介绍：Each year, approximately 10,000 students take a 40-question, 45-minute timed, multiple-choice test under their school’s supervision. The 2017 exam will be given between March 29 and April 14, 2017. Exam questions are based on topics and concepts covered in a typical high school physics course.

To enhance the distribution of awards, Division I is for first-year physics students and Division II is for second-year physics students. Each Division has 14 regions that have been established across the country to allow schools in each region to compete against one another. Specialized math and science schools compete in their own region. We have established five regions specifically for China, regions 15 through 19. Schools in China will register via ASDAN China. For more information regarding registering in China, please contact physics@seedasdan.org, website http://seedasdan.com/aapt/

Note: School Team scores are determined by the sum of the scores of the top five students competing.
希望这些信息对你有用。

美国的全国物理竞赛F=MA在每年的一月，但参加的学校不多，而且很多高中的物理教师也不知道，或者根本无法辅导。如果你的物理非常好，可以主动向物理老师提出，要求参加这个竞赛。只有你学校的老师愿意牵头，你才有资格参加。
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