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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May 2025

Sunday Monday Tuesday Wednesday Thursday Friday Saturday

Sunday, April 27

Monday, April 28

iLearn Testing: Grades 3 to 5

All Day

Chen Building

Tuesday, April 29

iLearn Testing: Grades 3 to 5

All Day

Chen Building

IB Diploma Exams: Physics

8:30 AM - 12:30 PM

Taurel Building

Wednesday, April 30

iLearn Testing: Grades 3 to 5

All Day

Chen Building

Lower School Student-Led Parent-Teacher Conferences Registration Closes

Via PTC Wizard

IB Diploma Exams: Physics & Business Management

8:30 AM - 12:30 PM

Taurel Building

Thursday, May 1

iLearn Testing: Grades 3 to 5

All Day

Chen Building

Head of School Book Club: Chapters 5 & 6

8:00 AM - 9:00 AM

Chen Building Library

Lower School Kiddie 500

9:00 AM - 10:00 AM

Daneri Family Gym

Friday, May 2

Lower School Student-Led Parent-Teacher Conferences (NO SCHOOL FOR LOWER SCHOOL STUDENTS)

8:00 AM - 4:00 PM

Chen Building

Gryphon Store Pop-Up Shop

8:30 AM - 4:00 PM

Chen Building

IB Diploma Exams: Business Management

8:30 AM - 12:30 PM

Taurel Building

Midde School Spring Dance

6:00 PM - 8:00 PM

Blackwell Building Gym

Saturday, May 3

Sunday, May 4

Monday, May 5

NWEA MAP Spring Testing: Grade 2

All Day

Chen Building

Staff Appreciation Week: A Celebration of Our Entire Faculty & Staff

All Day

IB Diploma Exams: History

12:30 PM - 4:00 PM

Taurel Building

Tuesday, May 6

NWEA MAP Spring Testing: Grade 2

All Day

Chen Building

Staff Appreciation Week: A Celebration of Our Entire Faculty & Staff

All Day

IB Diploma Exams: History, Chinese, Japanese, & Mandarin

8:30 AM - 4:00 PM

Taurel Building

Lower School Pre-Entry Visit (Kindergarten, Grade 1)

9:00 AM - 9:45 AM

Chen Building

Grade 10 College Counseling Visit

9:30 AM - 2:00 PM

IU Indianapolis

Wednesday, May 7

NWEA MAP Spring Testing: Grade 2

All Day

Chen Building

Staff Appreciation Week: A Celebration of Our Entire Faculty & Staff

All Day

Lower School Grade 5 Primary Years Programme Exhibition

8:15 AM - 9:15 AM

Chen Building

IB Diploma Exams: Chinese, Japanese, & Mandarin

8:30 AM - 12:30 PM

Taurel Building

Lower School Pre-Entry Visit (Pre-Kindergarten)

9:00 AM - 9:45 AM

Chen Building

Upper School Spring Arts Night Rehearsal

3:35 PM - 5:30 PM

Taurel Building Black Box Theatre

Thursday, May 8

Staff Appreciation Week: A Celebration of Our Entire Faculty & Staff

All Day

Lower School Pre-Entry Visit (3 Year Old)

9:00 AM - 9:45 AM

Chen Building

IB Diploma Exams: English A

12:30 PM - 4:00 PM

Taurel Building

Upper School Spring Arts Night

5:00 PM - 7:00 PM

Taurel Building Black Box Theatre

Friday, May 9

Staff Appreciation Week: A Celebration of Our Entire Faculty & Staff

All Day

IB Diploma Exams: English A Language & Literature

8:30 AM - 12:30 PM

Taurel Building

Lower School Assembly: Grade 1 French

8:30 AM - 9:15 AM

Chen Building Cafeteria

Saturday, May 10

Sunday, May 11

Monday, May 12

IB Diploma Exams: Biology

12:30 PM - 4:00 PM

Taurel Building

Parent Association Meeting - Elections

6:00 PM - 7:00 PM

Via Zoom

Tuesday, May 13

Upper School Grades 10 & 11 Voluntary AP Exam: French Language & Culture

All Day

Taurel Building

IB Diploma Exams: Biology

8:30 AM - 12:30 PM

Taurel Building

Wednesday, May 14

Lower School End of Unit Celebration: Kindergarten Mandarin & Spanish A

8:30 AM - 9:15 AM

Chen Building Cafeteria

IB Diploma Exams: Spanish

12:30 PM - 4:00 PM

Taurel Building

Board of Directors Open Meeting

4:00 PM - 5:00 PM

Chen Building

Thursday, May 15

Upper School Grades 10 & 11 Voluntary AP Exam: Spanish Language & Culture

All Day

Taurel Building

Head of School Book Club: Chapters 7 & 8

8:15 AM - 9:15 AM

Chen Building Library

IB Diploma Exams: Spanish & Mathematics

8:30 AM - 4:00 PM

Taurel Building

Lower School End of Unit Celebration: Kindergarten French & Spanish B

8:30 AM - 9:15 AM

Chen Building Cafeteria

Lower School Admissions Information Session

9:00 AM - 10:30 AM

Chen Building

Friday, May 16

Grade 11 Collaborative Sciences Project Day (Group 4 Project)

8:00 AM - 3:35 PM

Taurel Building Science Laboratories

IB Diploma Exams: Mathematics & Chemistry

8:30 AM - 4:00 PM

Taurel Building

Lower School Assembly: Grade 2 Spanish

8:30 AM - 9:15 AM

Chen Building Cafeteria

Saturday, May 17

Sunday, May 18

Monday, May 19

Grade 11 Semester 2 Exams

All Day

Taurel Building

IB Diploma Exams: Chemistry & Global Politics

8:30 AM - 4:00 PM

Taurel Building

Tuesday, May 20

Subscribe to Alerts Grade 11 Semester 2 Exams

All Day

Taurel Building

Subscribe to Alerts IB Diploma Exams: Global Politics & French

8:30 AM - 4:00 PM

Taurel Building

Subscribe to Alerts Lower School Pre-Entry Visit (3yo - Grade 1)

9:00 AM - 9:45 AM

Chen Building

Wednesday, May 21

Subscribe to Alerts Grade 11 Semester 2 Exams

All Day

Taurel Building

Subscribe to Alerts IB Diploma Exams: French & Mathematics

8:30 AM - 4:00 PM

Taurel Building

Subscribe to Alerts Grade 9 Global Issues, Global Solutions Celebration

4:00 PM - 5:00 PM

Taurel Building

Thursday, May 22

Subscribe to Alerts Grade 11 Semester 2 Exams

All Day

Taurel Building

Subscribe to Alerts Upper School Grades 10 & 11 Voluntary AP Exam: Chinese Language & Culture

All Day

Taurel Building

Subscribe to Alerts Lower School Choir Concert

4:00 PM - 4:30 PM

Chen Building Cafeteria

Subscribe to Alerts Class of 2025 Graduation Rehearsal and Class Picture

4:30 PM - 6:00 PM

The Tobias Theater at Newfields

Subscribe to Alerts Class of 2025 Graduation Ceremony

6:00 PM - 7:00 PM

The Tobias Theater at Newfields

Friday, May 23

Subscribe to Alerts Grade 11 Semester 2 Exams

All Day

Taurel Building

Subscribe to Alerts Session 4 Enrichment Ends

Chen Building

Subscribe to Alerts Athletics Awards Assembly

2:30 PM - 3:35 PM

Blackwell Building Gym

Saturday, May 24

Sunday, May 25

Monday, May 26

Subscribe to Alerts Memorial Day - No School

All Day

Tuesday, May 27

Subscribe to Alerts Grade 11 College Application Workshops

8:00 AM - 3:35 PM

Taurel Building

Subscribe to Alerts Grade 5 Moving Up Ceremony

5:30 PM - 6:30 PM

Chen Building

Wednesday, May 28

Subscribe to Alerts Lower School Spirit Day: Dress as a Celeb Day!

All Day

Chen Building

Subscribe to Alerts Grade 11 College Application Workshops

8:00 AM - 3:35 PM

Taurel Building

Thursday, May 29

Subscribe to Alerts Field Day

All Day

Sports Fields and Blackwell and Danieri Gymnasiums

Friday, May 30

Subscribe to Alerts Last Day of School (Noon Dismissal) & Lower School End of Year Celebration

Chen Building

Subscribe to Alerts Last Day of School (Noon Dismissal) & Upper School Awards Assembly/End of School Year Celebration

Blackwell Building Gym

Subscribe to Alerts Lower School Semester 2 Report Cards Sent Out

All Day

Via ManageBac

Subscribe to Alerts Session 4 Ends

All Day

Saturday, May 31

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