20222023
1st 100 Weeks
First and Second Year Students ONLY 

Monday, August 1, 2022  First Day of Instruction for First Year Students CPR Course begins for First Year Students 
Wednesday, August 31, 2022  First Day of Instruction for Second Year Students Interacting with the Environment Course begins for Second Year Students 
Monday, September 5, 2022  Labor Day  No Instruction for First and Second Year Students 
Friday, September 16, 2022  Thursday, September 22, 2022  CPR Course Assessment for First Year Students 
Thursday, September 22, 2022  CPR Course ends for First Year Students 
Monday, September 26, 2022  The Biologic Imperative Course begins for First Year Students 
White Coat Ceremony for First Year Students  Instruction for First and Second Year Students as scheduled  
Monday, October 17, 2022  Friday, October 21, 2022  Interacting with the Environment Course Assessment for Second Year Students 
Friday, October 21, 2022  Interacting with the Environment Course ends for Second Year Students 
Tuesday, October 25, 2022  Host Microbe Interactions Course begins for Second Year Students 
Scholarship Day  Instruction for First and Second Year Students as scheduled  
Thursday, November 24, 2022  Sunday, November 27, 2022  Thanksgiving Break  No Instruction for First and Second Year Students 
Friday, December 9, 2022  Thursday, December 15, 2022  The Biologic Imperative Course Assessment for First Year Students 
Thursday, December 15, 2022  The Biologic Imperative ends for First Year Students 
Tuesday, December 13, 2022  Friday, December 16, 2022  Host Microbe Interactions Course Assessment for Second Year Students 
Friday, December 16, 2022  Host Microbe Interactions Course ends for Second Year Students 
Saturday, December 17, 2022  Monday, January 2, 2023  Winter Break  No Instruction for First and Second Year Students 
Tuesday, January 3, 2023  Fueling the Body Course begins for First Year Students 
Tuesday, January 3, 2023  The Human Condition Course begins for Second Year Students 
Monday, January 16, 2023  Martin Luther King, Jr. Day  No Instruction for First and Second Year Students 
Monday, February 20, 2023  President's Day  No Instruction for First and Second Year Students 
Monday, March 6, 2023  Friday, March 10, 2023  Fueling the Body Course Assessment for First Year Students 
Friday, March 10, 2023  Fueling the Body Course ends for First Year Students 
Match Day for Fourth Year Students  Instruction for First and Second Year Students as scheduled  
Saturday, March 11, 2023  Sunday, March 19, 2023  Spring Break  No Instruction for First Year Students 
Friday, March 17, 2023  Thursday, March 23, 2023  The Human Condition Course Assessment for Second Year Students 
Thursday, March 23, 2023  The Human Condition Course ends for Second Year Students 
Monday, March 20, 2023  Homeostasis Course begins for First Year Students 
Monday, March 27, 2023  Step 1 Independent Study Period begins for Second Year Students 
Commencement for Fourth Year Students  Instruction for First and Second Year Students as scheduled  
Friday, May 5, 2023  Step 1 Independent Study Period ends for Second Year Students 
Monday, May 8, 2023  Transitions Course begins for Second Year Students 
Friday, May 19, 2023  Transitions Course ends for Second Year Students Last Day of Instruction for Second Year Students 
Monday, May 29, 2023  Memorial Day  No Instruction for First Year Students 
Tuesday, May 30, 2023  Friday, June 2, 2023  Homeostasis Course Assessment for First Year Students 
Friday, June 2, 2023  Homeostasis Course ends for First Year Students Last Day of Instruction for First Year Students 
2nd 100 Weeks
Third and Fourth Year Students ONLY 

Monday, May 23, 2022  First Day of Instruction for Third Year Students ACE Trimester 1 begins for Third Year Students 
Saturday, May 28, 2022  Monday, May 30, 2022  Memorial Day Weekend  No Instruction for Third Year Students; Fourth Year Students as per Department 
Monday, June 6, 2022  First Day of Instruction for Fourth Year Students Prep Block 1 begins for Fourth Year Students 
Monday, June 20, 2022  Juneteenth Observed  No Instruction for Third Year Students; Fourth Year Students as per Department 
Sunday, July 3, 2022  Prep Block 1 ends for Fourth Year Students 
Monday, July 4, 2022  Prep Block 2 begins for Fourth Year Students 
Monday, July 4, 2022  Independence Day Observed  No Instruction for Third Year Students; Fourth Year Students as per Department 
Sunday, July 31, 2022  Prep Block 2 ends for Fourth Year Students 
Monday, August 1, 2022  Prep Block 3 begins for Fourth Year Students 
Sunday, August 28, 2022  Prep Block 3 ends for Fourth Year Students 
Sunday, August 28, 2022  ACE Trimester 1 ends for Third Year Students 
Monday, August 29, 2022  Prep Block 4 begins for Fourth Year Students 
Monday, August 29, 2022  Friday, September 9, 2022  ACE Trimester 1 Reading/Assessment Weeks for Third Year Students 
Saturday, September 3, 2022  Monday, September 5, 2022  Labor Day Weekend  No Instruction for Third Year Students; Fourth Year Students as per Department 
Monday, September 12, 2022  ACE Trimester 2 Core Learning begins for Third Year Students 
Monday, September 19, 2022  ACE Trimester 2 begins for Third Year Students 
Sunday, September 25, 2022  Prep Block 4 ends for Fourth Year Students 
Monday, September 26, 2022  Prep Block 5 begins for Fourth Year Students 
White Coat Ceremony for First Year Students  Instruction for Third and Fourth Year Students as scheduled  
Sunday, October 23, 2022  Prep Block 5 ends for Fourth Year Students 
Monday, October 24, 2022  Prep Block 6 begins for Fourth Year Students 
Scholarship Day  Instruction for Third and Fourth Year Students as scheduled  
Sunday, November 20, 2022  Prep Block 6 ends for Fourth Year Students 
Monday, November 21, 2022  Prep Block 7 begins for Fourth Year Students 
Thursday, November 24, 2022  Sunday, November 27, 2022  Thanksgiving Break  No Instruction for Third Year Students; Fourth Year Students as per Department 
Sunday, December 18, 2022  Prep Block 7 ends for Fourth Year Students 
Saturday, December 19, 2022  Monday, January 2, 2023  Winter Break  No Instruction for Third Year Students and Fourth Year Students 
Tuesday, January 3, 2023  Prep Block 8 begins for Fourth Year Students 
Sunday, January 8, 2023  ACE Trimester 2 ends for Third Year Students 
Monday, January 9, 2023  Friday, January 22, 2023  ACE Trimester 2 Reading/Assessment Weeks for Third Year Students 
Monday, January 16, 2023  Martin Luther King, Jr. Day Weekend  No Instruction for Third Year Students; Fourth Year Students as per Department 
Monday, January 23, 2023  ACE Trimester 3 Core Learning begins for Third Year Students 
Sunday, January 29, 2023  Prep Block 8 ends for Fourth Year Students 
Monday, January 30, 2023  Prep Block 9 begins for Fourth Year Students 
Monday, January 30, 2023  ACE Trimester 3 begins for Third Year Students 
Monday, February 20, 2023  President's Day Weekend  No Instruction for Third Year Students; Fourth Year Students as per Department 
Sunday, February 26, 2023  Prep Block 9 ends for Fourth Year Students 
Monday, February 27, 2023  Prep Block 10 begins for Fourth Year Students 
Match Day for Fourth Year Students  Instruction for Third Year Students as scheduled  
Sunday, March 26, 2023  Prep Block 10 ends for Fourth Year Students 
Monday, March 27, 2023  Prep Block 11 begins for Fourth Year Students 
Sunday, April 23, 2023  Prep Block 11 ends for Fourth Year Students Last Day of Instruction for Fourth Year Students 
Sunday, May 7, 2023  ACE Trimester 3 ends for Third Year Students 
Commencement for Fourth Year Students  Instruction for Third Year Students as scheduled  
Monday, May 8, 2023  Friday, May 19, 2023  ACE Trimester 3 Reading/Assessment Week for Third Year Students 
Friday, May 19, 2023  Last Day of Instruction for Third Year Students 
Saturday, May 20, 2023  Sunday, June 4, 2023  Step 2 Independent Study Period for Third Year Students 
MS1 202223
First Year Students ONLY 

Monday, August 1, 2022  First Day of Instruction for First Year Students CPR Course begins for First Year Students 
Monday, September 5, 2022  Labor Day  No Instruction for First and Second Year Students 
Friday, September 16, 2022  Thursday, September 22, 2022  CPR Course Assessment for First Year Students 
Thursday, September 22, 2022  CPR Course ends for First Year Students 
Monday, September 26, 2022  The Biologic Imperative Course begins for First Year Students 
White Coat Ceremony for First Year Students  Instruction for First and Second Year Students as scheduled  
Scholarship Day  Instruction for First and Second Year Students as scheduled  
Thursday, November 24, 2022  Sunday, November 27, 2022  Thanksgiving Break  No Instruction for First and Second Year Students 
Friday, December 9, 2022  Thursday, December 15, 2022  The Biologic Imperative Course Assessment for First Year Students 
Thursday, December 15, 2022  The Biologic Imperative ends for First Year Students 
Saturday, December 17, 2022  Monday, January 2, 2023  Winter Break  No Instruction for First and Second Year Students 
Tuesday, January 3, 2023  Fueling the Body Course begins for First Year Students 
Monday, January 16, 2023  Martin Luther King, Jr. Day  No Instruction for First and Second Year Students 
Monday, February 20, 2023  President's Day  No Instruction for First and Second Year Students 
Monday, March 6, 2023  Friday, March 10, 2023  Fueling the Body Course Assessment for First Year Students 
Friday, March 10, 2023  Fueling the Body Course ends for First Year Students 
Match Day for Fourth Year Students  Instruction for First and Second Year Students as scheduled  
Saturday, March 11, 2023  Sunday, March 19, 2023  Spring Break  No Instruction for First Year Students 
Monday, March 20, 2023  Homeostasis Course begins for First Year Students 
Commencement for Fourth Year Students  Instruction for First and Second Year Students as scheduled  
Monday, May 29, 2023  Memorial Day  No Instruction for First Year Students 
Tuesday, May 30, 2023  Friday, June 2, 2023  Homeostasis Course Assessment for First Year Students 
Friday, June 2, 2023  Homeostasis Course ends for First Year Students Last Day of Instruction for First Year Students 
MS2 202223
Second Year Students ONLY 

Wednesday, August 31, 2022  First Day of Instruction for Second Year Students Interacting with the Environment Course begins for Second Year Students 
Monday, September 5, 2022  Labor Day  No Instruction for First and Second Year Students 
Monday, October 17, 2022  Friday, October 21, 2022  Interacting with the Environment Course Assessment for Second Year Students 
Friday, October 21, 2022  Interacting with the Environment Course ends for Second Year Students 
Tuesday, October 25, 2022  Host Microbe Interactions Course begins for Second Year Students 
Scholarship Day  Instruction for First and Second Year Students as scheduled  
Thursday, November 24, 2022  Sunday, November 27, 2022  Thanksgiving Break  No Instruction for First and Second Year Students 
Tuesday, December 13, 2022  Friday, December 16, 2022  Host Microbe Interactions Course Assessment for Second Year Students 
Friday, December 16, 2022  Host Microbe Interactions Course ends for Second Year Students 
Saturday, December 17, 2022  Monday, January 2, 2023  Winter Break  No Instruction for First and Second Year Students 
Tuesday, January 3, 2023  The Human Condition Course begins for Second Year Students 
Monday, January 16, 2023  Martin Luther King, Jr. Day  No Instruction for First and Second Year Students 
Monday, February 20, 2023  President's Day  No Instruction for First and Second Year Students 
Match Day for Fourth Year Students  Instruction for First and Second Year Students as scheduled  
Saturday, March 11, 2023  Sunday, March 19, 2023  Spring Break  No Instruction for First Year Students 
Thursday, March 23, 2023  The Human Condition Course ends for Second Year Students 
Monday, March 27, 2023  Step 1 Independent Study Period begins for Second Year Students 
Commencement for Fourth Year Students  Instruction for First and Second Year Students as scheduled  
Friday, May 5, 2023  Step 1 Independent Study Period ends for Second Year Students 
Monday, May 8, 2023  Transitions Course begins for Second Year Students 
Friday, May 19, 2023  Transitions Course ends for Second Year Students Last Day of Instruction for Second Year Students 
MS3 202223
Third Year Students ONLY 

Monday, May 23, 2022  First Day of Instruction for Third Year Students ACE Trimester 1 begins for Third Year Students 
Saturday, May 28, 2022  Monday, May 30, 2022  Memorial Day Weekend  No Instruction for Third Year Students; Fourth Year Students as per Department 
Monday, June 20, 2022  Juneteenth Observed  No Instruction for Third Year Students; Fourth Year Students as per Department 
Monday, July 4, 2022  Independence Day Observed  No Instruction for Third Year Students; Fourth Year Students as per Department 
Sunday, August 28, 2022  ACE Trimester 1 ends for Third Year Students 
Monday, August 29, 2022  Friday, September 9, 2022  ACE Trimester 1 Reading/Assessment Weeks for Third Year Students 
Saturday, September 3, 2022  Monday, September 5, 2022  Labor Day Weekend  No Instruction for Third Year Students; Fourth Year Students as per Department 
Monday, September 12, 2022  ACE Trimester 2 Core Learning begins for Third Year Students 
Monday, September 19, 2022  ACE Trimester 2 begins for Third Year Students 
White Coat Ceremony for First Year Students  Instruction for Third and Fourth Year Students as scheduled  
Scholarship Day  Instruction for Third and Fourth Year Students as scheduled  
Thursday, November 24, 2022  Sunday, November 27, 2022  Thanksgiving Break  No Instruction for Third Year Students; Fourth Year Students as per Department 
Saturday, December 19, 2022  Monday, January 2, 2023  Winter Break  No Instruction for Third Year Students and Fourth Year Students 
Sunday, January 8, 2023  ACE Trimester 2 ends for Third Year Students 
Monday, January 9, 2023  Friday, January 22, 2023  ACE Trimester 2 Reading/Assessment Weeks for Third Year Students 
Monday, January 16, 2023  Martin Luther King, Jr. Day Weekend  No Instruction for Third Year Students; Fourth Year Students as per Department 
Monday, January 23, 2023  ACE Trimester 3 Core Learning begins for Third Year Students 
Monday, January 30, 2023  ACE Trimester 3 begins for Third Year Students 
Monday, February 20, 2023  President's Day Weekend  No Instruction for Third Year Students; Fourth Year Students as per Department 
Sunday, May 7, 2023  ACE Trimester 3 ends for Third Year Students 
Monday, May 8, 2023  Friday, May 19, 2023  ACE Trimester 3 Reading/Assessment Week for Third Year Students 
Friday, May 19, 2023  Last Day of Instruction for Third Year Students 
Saturday, May 20, 2023  Sunday, June 4, 2023  Step 2 Independent Study Period for Third Year Students 
MS4 202223
Fourth Year Students ONLY  
Monday, June 6, 2022  First Day of Instruction for Fourth Year Students Prep Block 1 begins for Fourth Year Students 
Monday, June 20, 2022  Juneteenth Observed  No Instruction for Third Year Students; Fourth Year Students as per Department 
Sunday, July 3, 2022  Prep Block 1 ends for Fourth Year Students 
Monday, July 4, 2022  Prep Block 2 begins for Fourth Year Students 
Monday, July 4, 2022  Independence Day Observed  No Instruction for Third Year Students; Fourth Year Students as per Department 
Sunday, July 31, 2022  Prep Block 2 ends for Fourth Year Students 
Monday, August 1, 2022  Prep Block 3 begins for Fourth Year Students 
Sunday, August 28, 2022  Prep Block 3 ends for Fourth Year Students 
Monday, August 29, 2022  Prep Block 4 begins for Fourth Year Students 
Saturday, September 3, 2022  Monday, September 5, 2022  Labor Day Weekend  No Instruction for Third Year Students; Fourth Year Students as per Department 
Sunday, September 25, 2022  Prep Block 4 ends for Fourth Year Students 
Monday, September 26, 2022  Prep Block 5 begins for Fourth Year Students 
White Coat Ceremony for First Year Students  Instruction for Third and Fourth Year Students as scheduled  
Sunday, October 23, 2022  Prep Block 5 ends for Fourth Year Students 
Monday, October 24, 2022  Prep Block 6 begins for Fourth Year Students 
Scholarship Day  Instruction for Third and Fourth Year Students as scheduled  
Sunday, November 20, 2022  Prep Block 6 ends for Fourth Year Students 
Monday, November 21, 2022  Prep Block 7 begins for Fourth Year Students 
Thursday, November 24, 2022  Sunday, November 27, 2022  Thanksgiving Break  No Instruction for Third Year Students; Fourth Year Students as per Department 
Sunday, December 18, 2022  Prep Block 7 ends for Fourth Year Students 
Saturday, December 19, 2022  Monday, January 2, 2023  Winter Break  No Instruction for Third Year Students and Fourth Year Students 
Tuesday, January 3, 2023  Prep Block 8 begins for Fourth Year Students 
Monday, January 16, 2023  Martin Luther King, Jr. Day Weekend  No Instruction for Third Year Students; Fourth Year Students as per Department 
Sunday, January 29, 2023  Prep Block 8 ends for Fourth Year Students 
Monday, January 30, 2023  Prep Block 9 begins for Fourth Year Students 
Monday, February 20, 2023  President's Day Weekend  No Instruction for Third Year Students; Fourth Year Students as per Department 
Sunday, February 26, 2023  Prep Block 9 ends for Fourth Year Students 
Monday, February 27, 2023  Prep Block 10 begins for Fourth Year Students 
Match Day for Fourth Year Students  Instruction for Third Year Students as scheduled  
Sunday, March 26, 2023  Prep Block 10 ends for Fourth Year Students 
Monday, March 27, 2023  Prep Block 11 begins for Fourth Year Students 
Sunday, April 23, 2023  Prep Block 11 ends for Fourth Year Students Last Day of Instruction for Fourth Year Students 
Commencement for Fourth Year Students  Instruction for Third Year Students as scheduled 