I grew up through Homeschooling
Homeschooling, also known as home education, is the education of children from the home 
You mean one could turn a residential apartment to a school?
Its often a style of  education is usually conducted by a parent or tutor
Are there government approval or regulations that guides the conduct of H.S?
Its subject to state regulation and help that can or should be expected continues to be subject to legal debate.
Learnt it started from the rural dwellers?
are about 1.7 million homeschooled students in the United States.
On average, homeschoolers score at or above the national average on standardized tests. Homeschool students have been accepted into many Ivy League universities.
History.
For most of history and in different cultures, the education of children at home by family members was a common practice. Enlisting professional tutors was an option available only to the wealthy. Homeschooling declined in the 19th and 20th centuries with the enactment of compulsory attendance laws. However, it continued to be practiced
Homeschooling
Homeschooling, also known as home education is the education of children at home or a variety of places other than school. Home education is usually conducted by a parent or tutor or online teacher. Many families use less formal ways of educating. "Homeschooling" is the term commonly used in North America, whereas "home education" is commonly used in the United Kingdom, Europe, and in many Commonwealth countries.
Before the introduction of compulsory school attendance laws, most childhood education was done by families and local