일단 어떤 비자로 계신건지 궁금하네요. 미국은 워낙 크기에 데이케어 교사 자격 조건도 각 주마다 다릅니다.
일반적으로 주에서 발행하는 자격증을 요구하고 있습니다. 그리고 나이는 보통 만 18세 이상이어야 조건이 됩니다. 제가 찾아본 바로는...

If you're thinking about starting a preschool business, the most important step is to find out about licensing requirements in your state

Step 1
Learn the requirements for opening a preschool in your jurisdiction. Laws vary from state to state, but they are typically the same as daycare laws. You can find requirements online or by calling your local Department of Child Welfare, Department of Health and Human Services or a similar agency. In most places, you have to complete a licensing application, pay a fee and submit to criminal and child abuse background checks to obtain licensing. Your facility may be subject to a licensing inspection as well.

Step 2
Meet educational requirements for running a preschool. In some states, the director of a preschool must have a degree or credits in an education-related field. If you do not have the required credits or degree, you may hire a director to fill this position while you work towards fulfilling the education requirements.

Step 3
Secure a business license for your preschool. Obtaining this license gives you the right to run a business in the area. In some cities, you will need a business license even if you run a preschool in your own home.

Step 4
Prepare a business plan for your preschool business. Plan the launch of your business, including start-up costs and advertising. Include details about how you will pay licensing fees, salaries, rent or a mortgage until you start earning a profit. In addition, add the maximum number of children you will accept, how much you will charge, your hours of operation and your policies for holiday closings to your plan.

Step 5
Choose a location for your preschool business. Lease or buy commercial space or open a preschool in your own home. Check your state standards to learn how much space you will need based on the number of children you plan to accept.

Step 6
Purchase furniture and educational supplies for your preschool business. You may need child-sized chairs and tables, nap mats, educational toy and games, puzzles and books. Buy craft supplies, paper and a dry erase board or chalkboard for each preschool room as well.

Step 7
Obtain and install safety equipment for your preschool based on the licensing requirements in your state. For example, most states require preschools to have fire extinguishers, smoke detectors and locked medicine cabinets.

Step 8
Hire employees for your preschool as needed. Depending on the size of your preschool program, you may need a preschool teacher to head each room as well as aides for helping with supervision. Each state has distinct requirements for preschool teachers, but some only require a high school diploma and clear criminal and child abuse backgrounds. You may set criteria that exceed the state requirements, however.

Step 9
Obtain insurance for your preschool business. You will typically need liability insurance to cover damage to the facility as well as injuries sustained on your premises. An insurance agent can also advise you on other types of insurance that may prove beneficial.

Step 10
Let others know about your new preschool business by posting fliers in places parents frequent, such as libraries, grocery stores and community centers. Place ads in local newspapers and phone directories as well. In addition, ask local schools that do not have preschool programs to refer parents of preschoolers to you or allow you to post fliers on their bulletin boards.