How do I become an actuary?

First, ask yourself: "Is this the right career for me?" As with any career goal, you're not just planning how you'll make a living—you're setting the stage for how you'll live your life. So you'll want to be sure you have the skills you'll need to be successful—as well as an interest in some high-level math to live happy.
Second, find out what you can do right now. Once you're confident that a career as an actuary is something you can pretty much own, why wait? There are lots of things you could be doing while still in high school to develop your talents.
Third, start making big plans. Plan your college education by picking the right school, charting the right course, and dominating the curriculum! And don't forget to explore the scholarships that are available to help you achieve your goals.
And last, never stop challenging yourself. Keep your actuarial muscles in peak condition by taking some actuarial exams.
In order to work as an actuary, you must pass a series of actuarial exams. If you are able to pass the first exam, you'll know you have what it takes—and so will employers.

How to Become an Actuary

1: Start preparing for your career while you are still in high school. If you take the right combination of classes in high school, you’ll have a tremendous advantage when you start college.

Take the college preparatory program.
Take as many math classes as you can—every year.
Enroll in Advanced Placement (AP) classes, especially courses in statistics and calculus.
Place a heavy emphasis on computer skills such as SQL, SAS, VBA, Excel, Access, and C++

2: Attend an actuarial summer program.[2] These programs will help you learn about your intended career and put you in touch with industry professionals.
3: Choose a college that has an actuarial science curriculum. It isn’t strictly necessary to attend a college with an actuarial curriculum; you can enjoy a solid career as an actuary if you have a strong background in math, statistics and finances. You will also need to pass 2 actuarial exams. Probably Exam P and FM since they are considered the easiest.
4: Complete the credentials process. After you graduate from college, you will have to complete the remainder of the actuarial exams, as well as e-Learning components and other requirements of the profession. Programs are offered by the Casualty Actuarial Society (CAS)[3]and by the Society of Actuaries (SOA)[4]
5: Study independently. You can sign up for a free trial account in the fundamentals of actuarial practice[5] and get a full idea of what the profession requires. In fact, you can study actuarial science using this free program and attempt to take the actuarial exams without attending college, or before you graduate from college.
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Investigate available internships. An internship, paid or unpaid, will help you gain valuable on-the-job experience.[6]