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Community Calendar

For quick access to important dates, print the Quick Reference Calendar.

ISI maintains calendars that provide general guidelines for future academic years. Dates are subject to change.

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January 2026
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Sunday, December 28
Monday, December 29
Winter Break - No School
All Day
Winter Break - No School
All Day
Tuesday, December 30
Winter Break - No School
All Day
Winter Break - No School
All Day
Wednesday, December 31
Winter Break - No School
All Day
Winter Break - No School
All Day
Thursday, January 1
Winter Break - No School
All Day
Winter Break - No School
All Day
Friday, January 2
Winter Break - No School
All Day
Winter Break - No School
All Day
Saturday, January 3
Sunday, January 4
Monday, January 5
No School - Staff in Service
All Day
No School - Staff in Service
All Day
Tuesday, January 6
Session 3 Begins
All Day
Session 3 Begins
All Day
Session 3 Enrichment Begins
All Day
Chen Building
Session 3 Enrichment Begins
All Day
Chen Building
Semester 2 Begins, Classes Resume
All Day
Semester 2 Begins, Classes Resume
All Day
Wednesday, January 7
Thursday, January 8
All School A World of Good: Making the Most of Your ISI Education
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Chen Building
Office of Admissions Virtual Lower School Information Session
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Via Zoom
Friday, January 9
Upper School Semester I Report Cards Emailed
All Day
Via ManageBac
Upper School Semester I Report Cards Emailed
All Day
Via ManageBac
Lower School Jeans Day Fundraiser
All Day
Chen Building
Lower School Jeans Day Fundraiser
All Day
Chen Building
Saturday, January 10
Sunday, January 11
Monday, January 12
Tuesday, January 13
All School ONE Future Capital Campaign Public Launch
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Daneri Family Gymnasium
Office of Admissions Lower School Pre-Entry Visit (Age 3)
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Chen Building
Wednesday, January 14
Office of Admissions Lower School Pre-Entry Visit (Pre-Kindergarten)
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Chen Building
Thursday, January 15
Office of Admissions Lower School Pre-Entry Visit (Kindergarten & Grade 1)
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Chen Building
Office of Admissions Virtual Upper School Q & A
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Via Zoom
Upper School Middle School Families: High School Curriculum Information Evening
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Taurel Building
Friday, January 16
Saturday, January 17
Sunday, January 18
Monday, January 19
Martin Luther King Jr. Day - No School
All Day
Martin Luther King Jr. Day - No School
All Day
Tuesday, January 20
Middle School Start With Hello Week: Comfy/PJ Day
All Day
Blackwell Building
Middle School Start With Hello Week: Comfy/PJ Day
All Day
Blackwell Building
ILEARN Checkpoint #2: Grade 4
All Day
Chen Building
ILEARN Checkpoint #2: Grade 4
All Day
Chen Building
Upper School Upper School Academic Honor Roll Award Ceremony
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Blackwell Building Gym
Wednesday, January 21
ILEARN Checkpoint #2: Grade 4
All Day
Chen Building
ILEARN Checkpoint #2: Grade 4
All Day
Chen Building
Middle School Start With Hello Week: Duos/Trios/Group Dress Up Day
All Day
Blackwell Building
Middle School Start With Hello Week: Duos/Trios/Group Dress Up Day
All Day
Blackwell Building
All School Vision and Hearing Screenings
All Day
Whole campus
All School Vision and Hearing Screenings
All Day
Whole campus
Thursday, January 22
Middle School Start With Hello Week: Favorite Character Day
All Day
Blackwell Building
Middle School Start With Hello Week: Favorite Character Day
All Day
Blackwell Building
Grade 3 Lower School End of Unit Celebration: Grade 3
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Chen Building Cafeteria
Friday, January 23
Middle School Start With Hello Week: Be You Day
All Day
Blackwell Building
Middle School Start With Hello Week: Be You Day
All Day
Blackwell Building
Lower School Semester 1 Report Cards Sent Out
All Day
Via ManageBac
Lower School Semester 1 Report Cards Sent Out
All Day
Via ManageBac
Grade 5 Lower School Assembly: Grade 5 Spanish
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Daneri Family Gymnasium
Saturday, January 24
Upper School High School Play Extra Rehearsal
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Taurel Building Black Box Theater
Sunday, January 25
Monday, January 26
ILEARN Checkpoint #1: Grades 6 to 8
All Day
Blackwell Building
ILEARN Checkpoint #1: Grades 6 to 8
All Day
Blackwell Building
High School Start With Hello Week: Colorful Outfit or ISI Gear Day
All Day
Blackwell Building
High School Start With Hello Week: Colorful Outfit or ISI Gear Day
All Day
Blackwell Building
ILEARN Checkpoint #2: Grade 5
All Day
Chen Building
ILEARN Checkpoint #2: Grade 5
All Day
Chen Building
All School Spring Athletics Registration Opens
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Tuesday, January 27
ILEARN Checkpoint #1: Grades 6 to 8
All Day
Blackwell Building
ILEARN Checkpoint #2: Grade 5
All Day
Chen Building
ILEARN Checkpoint #2: Grade 5
All Day
Chen Building
High School Start With Hello Week: Twin/Trio Matching Colors Day
All Day
Blackwell Building
High School Start With Hello Week: Twin/Trio Matching Colors Day
All Day
Blackwell Building
All School All School Parent-Teacher Conferences Registration Opens
-
Wednesday, January 28
ILEARN Checkpoint #1: Grades 6 to 8
All Day
Blackwell Building
ILEARN Checkpoint #2: Grade 3
All Day
Chen Building
ILEARN Checkpoint #2: Grade 3
All Day
Chen Building
High School Start With Hello Week: Someone Who Inspires You Day
All Day
Blackwell Building
High School Start With Hello Week: Someone Who Inspires You Day
All Day
Blackwell Building
Upper School Personal Project Evening
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Blackwell Building Gym
Thursday, January 29
ILEARN Checkpoint #1: Grades 6 to 8
All Day
Blackwell Building
High School Start With Hello Week: Favorite Character Day
All Day
Blackwell Building
High School Start With Hello Week: Favorite Character Day
All Day
Blackwell Building
ILEARN Checkpoint #2: Grade 3
All Day
Chen Building
ILEARN Checkpoint #2: Grade 3
All Day
Chen Building
ONE Future ONE Future Information Session (In Person)
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Chen Building Conference Room
Friday, January 30
ILEARN Checkpoint #1: Grades 6 to 8
All Day
Blackwell Building
High School Start With Hello Week: PJ/Cozy Day
All Day
Blackwell Building
High School Start With Hello Week: PJ/Cozy Day
All Day
Blackwell Building
Grade 2 Lower School Assembly: Grade 2 Spanish A
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Chen Building Cafeteria
ONE Future ONE Future Information Session (Virtual)
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Via Zoom
Saturday, January 31
Upper School High School Play Technical Rehearsal
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Taurel Building Black Box Theater
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