I agree that AOS makes more sense in your situation (by the way, wouldn't CP make you stay in your home country and therefore lose the school year?)
Yet there's one thing to keep in mind: when you enter the U.S. on your F-1 visa, it's a non-immigrant visa. Thus it would be prudent to wait at least 60 days after your entrance before you apply for AOS in order not to appear as if you misrepresented your true intention when entering (i.e. lied to the immigration official). You can google "30/60 day rule" or look below.
http://www.state.gov/documents/organization/87011.pdf
9 FAM 40.63 N4.7 Applying the 30/60 Day Rule
(CT:VISA-1740; 10-06-2011)
a. In determining whether a misrepresentation has been made, some of the most difficult questions arise from cases involving aliens in the United States who conduct themselves in a manner inconsistent with representations they made to the consular officers concerning their intentions at the time of visa application or to immigration officers when applying for admission. Such cases occur most frequently with respect to aliens who, after having obtained visas as nonimmigrants, either:
(1) Apply for adjustment of status to permanent resident; or
(2) Fail to maintain their nonimmigrant status (for
U.S. Department of State Foreign Affairs Manual Volume 9―Visas
9 FAM 40.63 Notes Page 7 of 29
example, by engaging in employment without authorization by DHS).
b. To address this problem, the Department developed the 30/60-day rule. This rule is intended to facilitate adjudication of these types of cases consistent with the statutory mandates.
c. Aliens who apply for adjustment or change of status pursuant to the INA are within the jurisdiction of the United States Citizenship and Immigration Services (USCIS) unless the application is abandoned upon the departure of the alien from the United States. If you become aware of derogatory information indicating that an alien who has applied to USCIS to adjust to immigrant status or change nonimmigrant status in the United States may have misrepresented his or her intentions to you at the time of visa application or to the immigration officer at the port of entry, you should bring the derogatory information to the attention of the appropriate USCIS office that has jurisdiction over the adjustment or change of status application. Do not request an advisory opinion from the Advisory Opinions Division (CA/VO/L/A) in these cases, because it would not be binding on USCIS.
d. With respect to the second category referred to above, the fact that an alien's subsequent actions are other than as stated at the time of visa application or entry does not necessarily prove that the alien's intentions were misrepresented at the time of application or entry. As to those who fail to maintain status, you should also recognize that the precise circumstances under which the change in activities or the overstay arose have an important bearing on whether a knowing and willful misrepresentation was made. The existence of a misrepresentation must therefore be clearly and factually established by direct or circumstantial evidence sufficient to meet the "reason to believe” standard. Although indeed more flexible than the judicial "beyond reasonable doubt” standard demanded for a conviction in court, a "reason to believe” standard requires that a probability exists, supported by evidence which goes beyond mere suspicion.
