It depends on the state.
For example, in NY you need a Bachelor's Degree to become a first grade teacher. So you could start in community college (go for two years and get an Associate's) but then you would have to transfer to a four-year college for the remaining two years necessary to obtain a Bachelor's.
Alexis J. Deal
First you have to find a college or university that offers a teacher education program. Contact the admissions department at the school and they will send you out an application with all the information on the procedure you must follow. You can start at the four year college or university, or you can start at your home county community college (much less expensive).
Depending on where you live, you would probably be required to graduate from law school yourself first - check with your local community college or the State Bar where you live.
For a person to become a teacher, they must first attend college and have an education plan that helps them become a teacher. A future teacher will often major in what they want to teach while learning how to be a teacher. They will then need to have a license to teach in the state they want to be employed.
sometimes you have to do a like 8 year course of university first
Manor Community College's motto is 'Students First'.
In order to become a preschool teacher you have to go to college and get a bachelor's degree. First you get a Child Development Associate degree (CDA) You have to get a credential to community college course or a college course or a college degree in child development or early childhood education. Different public funding sources may set other education and professional development requirements
Quinebaug Valley Community College's motto is 'Learners First'.
There's nothing special to study in high school. Later, you attend a Teacher's College to become a teacher. You might end up teaching First or Second grade (or higher) if a school doesn't have an opening for kindergarten.
West Shore Community College's motto is 'Where students come first!'.
Most every county in every state has a community college or equivalent. I would suggest you look into your home county community college first.
Community College of Allegheny County's motto is 'The first choice for faster results.'.