Endocrinopathies are classified as primary, secondary, or tertiary. Interoperation between primary and secondary care systems is rather primitive. There are 830 public schools in Eswatini including primary, secondary and high schools. There are three types of dentin, primary, secondary and tertiary. Smog formation in general relies on both primary and secondary pollutants. Education for primary, secondary, and tertiary levels is mostly supported by the state. It consists of a primary phase followed by five years of secondary education. Distinguishing primary glioblastoma from secondary glioblastoma is important. The uniform rule only applies to students of primary, secondary, and higher secondary education. There are two levels of benefits for pesticide use, primary and secondary. French education is centralized and divided into three stages&colon; Primary, secondary, and higher education. Vocational education is available to students at the secondary and tertiary level. About 60 per cent of pupils entering primary and secondary school are Bangladeshi. PST is an acronym standing for Primary, Secondary and Tertiary. Education takes place in three stages&colon; primary, secondary, and pre-university education.