| August 2018 | ||
| 13 | First Day of School | |
| First Quarter Begins | ||
| 16 | Back-to-School Night | |
| 18 | Teacher Dedication Sabbath at Napa Community SDA Church | |
| 25 | K-12 Beach Church | |
|
September 2018 |
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| 3 | NO SCHOOL – Labor Day | |
| 5 | Class Picture Day and High School Individual Picture Day | |
| 6 | Individual Picture Day – Grades K-8 | |
| 10-13 | IOWA/CogAT Testing | |
| October 2018 | ||
| 15 | Week of Prayer | |
| 12-14 | Alumni Weekend | |
| 19 | First Quarter Ends | |
| 19-21 | Junior/Senior Retreat at Leoni Meadows | |
| 22 | Second Quarter Begins | |
| 31 | MINIMUM DAY - Parent Teacher Conference | |
| November 2018 | ||
| 1 | MINIMUM DAY – Parent/Teacher Conferences | |
| 3 | Chili Cook Off | |
| 12 | Veterans’ Day Assembly | |
| 16 | K-12 Thanksgiving Feast | |
| 19-23 | NO SCHOOL- Thanksgiving Break | |
| 26 | School Resumes | |
| December 2018 | ||
| 13 | K-12 Christmas Concert | |
| 17-Jan 1 | NO SCHOOL – Christmas Break | |
| January 2019 | ||
| 2 | Classes Resume | |
| 11 | Second Quarter/First Semester Ends | |
| 14 | Third Quarter/Second Semester Begins | |
| 21 | NO SCHOOL - Martin Luther King, Jr. Day | |
| 27 | Open House | |
| 30-31 | Freshman/Sophomore Retreat Leader Training for Jr./Sr. | |
| February 2019 | ||
| 1-3 | Freshman/Sophomore Retreat at Leoni Meadows | |
| 11-15 | Week of Prayer | |
| 18 | NO SCHOOL - Presdients' Day | |
| 28 | K-12 Ski Trip | |
| March 2019 | ||
| 10 | SUNDAY SCHOOL DAY - Renaissance Fair | |
| 15 | Third Quarter Ends | |
| 18-29 | NO SCHOOL – Spring Break | |
| April 2019 | ||
| 1 | NO SCHOOL - NCC Staff Development | |
| 2 | School Resumes | |
| Fourth Quarter Begins | ||
| 7 | SUNDAY SCHOOL DAY | |
| 10-11 | MINIMUM DAYS - Parent Teacher Conferences | |
| 18 | Earth Day Celebration | |
| May 2019 | ||
| 9 | Spring Concert | |
| 14 | Art and Drama Showcase | |
| 17 | 5K Color Run | |
| 27 | NO SCHOOL - Memorial Day | |
| 29 | Kindergarten Graduation | |
| 30 | Eighth Grade Graduation | |
| 31 | Last Day of School Picnic | |
| Fourth Quarter/Second Semester Ends | ||
| June 2019 | ||
| 1-2 | Academy Graduation Weekend | |