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When I wrote about the apparent epidemic of "dental abuse" in Pennsylvania, I got so PO'd that I forgot something else I came across on the PA.gov website covering what it is that constitutes neglect- "educational neglect"... What I found requires a post of its own. Way down at the bottom, under Behavioral Indicators I found: "Not registered in school." (See link below) This piqued my curiosity, so I investigated whether or not homeschooling was even permitted in PA and if so, then what were the requirements (and boy, am I glad I didn't live in Pennsylvania when I decided to homeschool).
There are at least two reasons why parents opt to homeschool (neither being that they don't want their kids educated)... The most prevalent being: 1) a profound lack of basic values- immorality being forced upon children as young as kindergarten and: 2) the educational system is broken beyond all repair. Let's face it, the chances of a kid getting a decent in a public school is slim and none... if they do it's in spite, not because of it. Another reason I consider more than valid is to avoid mandatory vaccinations- unfortunately, the state of Pennsylvania thought of this. "A child has had the legally required immunizations. The supervisor [parent/teacher] must also provide evidence that the child has received the required health and medical services (such as annual vision and hearing tests)."
The requirements are so restrictive that a parent who wishes to teach at home must basically have the same credentials as a teacher. This is done to discourage people from teaching at home. I'll post the link at the bottom so anyone can read how difficult it is to homeschool in PA. This is called incrementalism, where one state will adopt restrictions and when successful it will spread to others. It was over 20 years ago when I began homeschooling my children. In Arizona, the requirements were fairly lax. I had to send a certified letter of intent to the Arizona Dept. of Education expressing my wish to teach at home. I got one back which basically said, "thanks, we got your letter, have a nice day." That was it.
In Michigan there was no requirements, or so I thought. Officially there were none- except that CPS showed up and expressed their disapproval for homeschooling and their "concerns that my children wouldn't receive proper socializing with others their own age." After reassuring them that we hadn't withdrawn from society, only public school, they went away... temporarily. That's how it works, a little at a time. They chip away at people's rights and if you believe that the state of Pennsylvania cares about your child being educated, think again. Like all states, they're afraid that your children will be exempt from their indoctrination and learn to think independently... the anathema to their worldview...
This is about control, not education. Once the Pennsylvania law is successful, other states will pick it up and adopt laws that are similar. I hope you take the time to read through some of the links below- particularly the second that lays out what the requirements are to homeschool in PA... it will be coming to your state soon (if it hasn't already). And please don't forget to support 
http://keepkidssafe.pa.gov/about/signs/index.htm
https://www.elc-pa.org/wp-content/uploads/2014/01/ELC_FactSheet_HomeschoolingPA_5_2_08.pdf