Decentralization of school systems, introduction of per capita funding, unified national exams and improvement of school infrastructure and pre-school and primary and secondary school enrollment is also a considerable achievement.
Both Buffalo, New York Public Schools and Denver, Colorado Public Schools are heralded as examples of school systems' ability to change to better serve students.
In recent years the communications revolution has brought about a massive, worldwide proliferation of school systems and of facilities for news gathering, publishing, broadcasting, holding meetings, and speechmaking.
Meanwhile, kindergartens have developed as a part of school systems under the School Education Law of 1947.
The Scottish Tory justice spokesman has accused the west of Scotland school system of overseeing "state-sponsored conditioning of sectarian attitudes".
Others say the data show the systematic failure of school systems to meet the needs of poor and disadvantaged students.
Others say the data show the systematic failure of school systems to meet the needs of the disadvantaged.
The reigns of Joel Klein and Michelle Rhee illustrate the first rule of school systems, that the feces roll downhill.
Already orchestras have fashioned themselves as providers of the music education that has been draining out of school systems.
Hundreds of school systems, including those in Chicago, New York and Washington, are already using it to measure the performance of schools or teachers.
A last factor was the complexity of school systems and hence decision making with co-existing state and religious systems plus private schools in a number of countries.
