【正确答案】正确答案： American Education System The education system in the United States is controlled by state and local governments. / But education laws are similar in each state. / Public schools are free of charge for grades 1 through 12. /Private schools also operate in all states and territories. / Some private schools are operated by churches and religious groups. / Other private schools are not linked to any religious organization. / The school year usually begins in September and continues until June. / Most states require a school year of 180 days. / Some schools have changed this schedule / and require students to attend school throughout the year. /