What offense is committed when a 45-year-old man engages in sexual relations with a 17-year-old student at his school?

The offense committed in this scenario is considered "Improper Relationship Between Educator and Student." This criminal charge applies specifically to individuals who are in a position of authority, such as teachers or educators, who engage in sexual relations with their students. The law is designed to protect minors from exploitation and the abuse of power that can occur in educational settings.

In this case, the 45-year-old man is a school educator and is engaging in a sexual relationship with a 17-year-old student, which falls under this specific statute. The underlying premise is that the educator, by virtue of their position, has a significant power imbalance over the student, thus making such relationships particularly problematic and illegal.

The other options, although they relate to sexual offenses, do not apply as directly to the context provided. While Sexual Assault can encompass a broad range of unwanted sexual encounters and Statutory Rape pertains to sexual activity with someone who is below the age of consent, the specific teacher-student dynamic in this scenario makes "Improper Relationship Between Educator and Student" the most appropriate charge. Child Exploitation generally refers to the use of a minor for sexual purposes or distribution of child pornography, which does not fit the details given here.