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.
In 1869, Costa Rica made education both free and mandatory for all its citizens. Since that time, the country's education system has grown to include more than four thousand schools. Over the last three decades the country has invested nearly 30% of its national budget in primary and secondary education.