Option 1: Fredrick, a West Point cadet, will speak to students.
* This option clarifies that Fredrick is a West Point cadet and he will be speaking to students.
* Commas are used to set off the appositive phrase "a West Point cadet."
Option 2: Fredrick, a West Point cadet, will speak students.
* This option is grammatically incorrect. It is missing a preposition after "speak."
Option 3: Fredrick, a West Point cadet, will speak with students.
* This option implies that Fredrick will be having a conversation with students.
* "Speak with" is a more formal way of saying "talk to."
Option 4: Fredrick, a West Point cadet, will address students.
* This option implies that Fredrick will be giving a formal speech or presentation to students.
Ultimately, the best way to punctuate the sentence depends on the context and the specific meaning you want to convey.