1 Secretion of erythropoietin, which regulates red blood cell production in the bone marrow. 2  Secretion of renin, which is a key part of the reninâangiotensinâaldosterone system. 3  Secretion of the active form of vitamin D (calcitriol) and prostaglandins.
A: A charter school is a public school that is organized and operated according to the terms of the. charter, or contract. A charter school cannot have admissions criteria or charge tuition. A private school is not subject to state school laws, local board of education policies, or State Board of Education rules.
Teachers. By working in an environment that values innovation, charter school teachers and staff have the opportunity to have real impact on students and colleagues. Charter schools provide teachers with the freedom and flexibility to innovate to best meet their studentsiÂ¿studentsÃ¯ Â½. needs