CHST Exam Study Guide with Practice Questions. This exam assesses the individual's understanding of managing a construction site, training individuals in OSHA regulations, maintaining a safe work environment through worksite audits, and ethical and legal concerns involved with the health and safety of workers at a worksite.
In 1820, Boston is the site of the first public U.S. high school. And in 1827, a Massachusetts law makes all grades of public school free to all. Massachusetts innovation continues with the stateâs first Board of Education formed in 1837, headed by Horace Mann. And in 1851, Massachusetts makes education compulsory.
The public education system provides for five stages of education: preschool, primary school, middle school, high school, and university. Noncompulsory preschool programs established in 1953 offer education to children between the ages of four and six.t was many years before the country had the educational infrastructure to provide universal primary education, but since the early 1980s almost all children between the ages of six and ten have been enrolled in school.