(a) causes such injury to an employee of a school or public school district; or

(b) not being a student of such school or public school district, causes physical injury to another, and such other person is a student of such school who is attending or present for educational purposes. For purposes of this subdivision the term "school grounds" shall have the meaning set forth in subdivision fourteen of section 220.00 of this chapter; or 11. With intent to cause physical injury to a train operator, ticket inspector, conductor, signalperson, bus operator, station agent, station cleaner or terminal cleaner employed by any transit agency, authority or company, public or private, whose operation is authorized by New York state or any of its political subdivisions, a city marshal, a school crossing guard appointed pursuant to section two hundred eight-a of the general municipal law, a traffic enforcement officer, traffic enforcement agent, prosecutor as defined in subdivision thirty-one of section 1.20 of the criminal procedure law, sanitation enforcement agent, New York city sanitation worker, public health sanitarian, New York city public health sanitarian, registered nurse, licensed practical nurse, emergency medical service paramedic, or emergency medical service technician, he or she causes physical injury to such train operator, ticket inspector, conductor, signalperson, bus operator, station agent, station cleaner or terminal cleaner, city marshal, school crossing guard appointed pursuant to section two hundred eight-a of the general municipal law, traffic enforcement officer, traffic enforcement agent, prosecutor as defined in subdivision thirty-one of section 1.20 of the criminal procedure law, registered nurse, licensed practical nurse, public health sanitarian, New York city public health sanitarian, sanitation enforcement agent, New York city sanitation worker, emergency medical service paramedic, or emergency medical service technician, while such employee is performing an assigned duty on, or directly related to, the operation of a train or bus, including the cleaning of a train or bus station or terminal, or such city marshal, school crossing guard, traffic enforcement officer, traffic enforcement agent, prosecutor as defined in subdivision thirty-one of section 1.20 of the criminal procedure law, registered nurse, licensed practical nurse, public health sanitarian, New York city public health sanitarian, sanitation enforcement agent, New York city sanitation worker, emergency medical service paramedic, or emergency medical service technician is performing an assigned duty; or 11-a. With intent to cause physical injury to an employee of a local social services district directly involved in investigation of or response to alleged abuse or neglect of a child, vulnerable elderly person or an incompetent or physically disabled person, the actor, not being such child, vulnerable elderly person or incompetent or physically disabled person, or with intent to prevent an employee of a local social services district directly involved in providing public assistance and care from performing his or her job, causes physical injury to such employee; or 11-b. With intent to cause physical injury to an employee of the New York city housing authority performing his or her lawful duties while located on housing project grounds, real property, or a building owned, managed, or operated by such authority he or she causes physical injury to such employee; or 11-c. With intent to cause physical injury to an employee providing direct patient care, who is not a nurse pursuant to title eight of the education law, whose principal employment responsibility is to carry out direct patient care for one or more patients in any hospital, nursing home, residential health care facility, general hospital, government agency including any chronic disease hospital, maternity hospital, outpatient department, emergency center or surgical center under article twenty-eight of the public health law, he or she causes physical injury to such employee providing direct patient care while such employee is performing a lawful duty; or 12. With intent to cause physical injury to a person who is sixty-five years of age or older, he or she causes such injury to such person, and the actor is more than ten years younger than such person; or 13. Being confined to a secure treatment facility, as such term is defined in subdivision (o) of section 10.03 of the mental hygiene law, and with intent to cause physical injury to an employee of such secure treatment facility performing his or her duties, he or she causes such injury to such person; or 14. With intent to prevent or obstruct a process server, as defined in section eighty-nine-t of the general business law, from performing a lawful duty pursuant to article three of the civil practice law and rules, or intentionally, as retaliation against such a process server for the performance of the process server's duties pursuant to such article, including by means of releasing or failing to control an animal evincing the actor's intent that the animal prevent or obstruct the lawful duty of the process server or as retaliation against the process server, he or she causes physical injury to such process server. Assault in the second degree is a class D felony.