| August 29 | - September 1 | No School - Labor Day Recess |
| September 3 | - September 5 | High School Retreat |
| September 8 | | Meet-The-Teacher Night - Elementary only |
| September 10 | | Secondary Race for Education Kick-off |
| September 11 | - September 12 | Middle School Team Building Event |
| September 12 | | Elementary Race for Education Kick-off |
| September 15 | | Meet-The-Teacher Night - Secondary only - 7:00pm |
| October 4 | | All School Yard Sale |
| October 9 | - October 10 | No School - Teacher In-Service |
| October 13 | | No School - Columbus Day |
| October 20 | | ACSI Junior High Leadership Conference - Lancaster |
| October 24 | | Race for Education Day - 12:30pm Dismissal |
| October 28 | | Elementary Picture Day |
| October 29 | | Secondary Picture Day |
| October 30 | | No School for Grades K-6 - Parent/Teacher Conferences 1:00 - 8:00pm |
| October 31 | | No School for Grades K-6 - Parent/Teacher Conferences 8:00 - 3:00pm |
| November 4 | | Junior High Incentive Activity and Field Trips - Grades 5-8 |
| November 6 | - November 7 | No School - MACSA Teacher In-Service |
| November 10 | | ACSI Spelling Bee - Grades 5-8 |
| November 14 | | Salt & Light Banquet |
| November 19 | - November 21 | ACSI High School Leadership Conference - Black Rock |
| November 26 | - December 1 | No School - Thanksgiving Recess |
| December 4 | | Picture Re-Take Day - Grades K-12 |
| December 11 | | Elementary Christmas Program |
| December 15 | | Secondary Christmas Program |
| December 24 | - January 2 | No School - Christmas Recess |
| January 15 | - January 16 | Mid Term Exams - Grade 9-12 |
| January 19 | | No School - Teacher In-Service |
| January 23 | | Junior High Incentive Activity |
| February 9 | | Secondary School Open House 10:00 - 12:00 & 7:00 - 8:30 |
| February 13 | | Secondary School Talent Show - 7:00pm |
| February 16 | | No School - Presidents' Day |
| February 17 | | Elementary School Open House 10:00 - 12:00 & 7:00 - 8:30 |
| February 18 | | Elementary School Open House 10:00 - 12:00 |
| February 27 | | Elementary Talent Show - 6:00pm (EFCH Auditorium) |
| March 5 | | ACSI Math Olympics - Grades 3-8 - Lancaster |
| March 6 | | No School |
| March 10 | | ACSI High School Fine Arts Festival |
| March 13 | | Grandparents' Day |
| March 20 | - March 21 | Spring Play |
| March 27 | | ACSI Elementary Speech Meet - Grades 1-6 - Allentown |
| April 2 | | No School Grades K-2 - Parent/Teacher Conferences 1:00 - 8:00pm (School in session for Grades 3-12) |
| April 3 | | No School Grades K-2 - Parent/Teacher Conferences 8:00 - 3:00pm (School in session for Grades 3-12) |
| April 3 | | Junior High Incentive Activity |
| April 9 | - April 17 | No School - Easter Recess |
| April 21 | | Elementary School Open House 9:00 - 12:00 |
| April 24 | | Elementary Missions Day |
| April 27 | - May 1 | Stanford 10 Achievement Testing - Grades 1-6 |
| April 27 | - April 29 | Stanford 10 Achievement Testing - Grades 7-9 |
| April 30 | | ACSI Junior High/ High School Speech Meet - Grades 7-12 - Lancaster |
| May 1 | | ACSI Middle School Fine Arts Festival |
| May 1 | - May 2 | Spring Benefit Auction |
| May 9 | | ACSI Track Meet - Grades 6-12 |
| May 11 | | HCSA Annual Meeting - 7:00pm |
| May 18 | | Secondary Spring Concert - 7:00pm (EFCH Sanctuary) |
| May 18 | - May 19 | 6th Grade Shadowing Day |
| May 21 | | Elementary Spring Concert - 7:00pm (EFCH Sanctuary) |
| May 25 | | No School - Memorial Day |
| June 1 | - June 2 | Junior High Final Exams |
| June 3 | - June 4 | High School Final Exams - Noon Dismissal |
| June 4 | | Elementary Field Day |
| June 4 | | Junior High Incentive Activity |
| June 5 | | 6th Grade Graduation |
| June 5 | | Academic Awards Program - Grades 7-12 - 10:30am |
| June 5 | | Last Day for Students (Noon dismissal) |
| June 5 | | High School Commencement |
