High School Admissions

Welcome to Sion!

Your high school decision is an important one. One that truly has a rippling effect. We consider it a great privilege to introduce to you all the opportunities Sion has to offer. Our hope is that you look to your years at Sion with great anticipation for the friendships you will create, the faith you will grow, and the young woman you will become.

At Sion, we believe in preparing our girls to go into the world with a strong sense of self, rooted in reflection, knowledge, and an enthusiastic commitment to become young women who lead with compassion and courage. Sion’s strong commitment to academic excellence will challenge you to be your best. Our dedicated teachers, counselors, and coaching staff are committed to helping every Sion girl achieve her goals. A Sion graduate is characterized by her confidence, self-assurance, and care for others.

If you want to make a difference, have an impact, and change the world, then Sion is for you.

Visit our Experience Sion page for more details and to register for our upcoming events listed below!

Friday, October 2 
Shadow Days Kick-Off! Click here for event details.
  • Financial Aid Application is live at www.sssbynais.com Sion’s school code is 5455
Thursday, October 15
Sneak Peek Days. Click here for event details.

Saturday, November 14
Intensive 1-day High School Placement Test Prep Course with a Follow-Up Zoom Touchpoint before the Test on Saturday, December 5. Sign up here.

Tuesday, December 1
Early Application and Early Financial Aid Deadline
  • 8th grade girls who have completed their full application materials by Friday, January 8 can enroll in a Step-Up course that will begin Monday, February 2.
  • Those who complete their application by the early deadline on December 1 will be entered to win free Step-Up Class Spring Enrollment - a $400 value! Scholarships will be available.
  • Learn more about our new Step-Up Program to earn Sion High School credit this Spring! Learn more
Saturday, December 5 
High School Placement Test (a second test date will be offered Saturday, 1/9) Sign up here.

Thursday, December 31
Early Financial Aid Package Materials Deadline

Friday, January 8
Final Deadline for Early Application Materials
  • 8th grade girls who have completed their full application materials by Friday, January 8 will receive their offer package by Monday, January 15, and can enroll in a Step-Up course that will begin Monday, February 2.
  • If you are applying for financial aid, then we will need your full financial aid material by Thursday, December 31 to receive an offer with financial aid package by Friday, January 15.
  • Learn more about our new Step-Up Program to earn Sion High School credit this Spring! Learn more
Wednesday, January 13 and Thursday, January 14
Interviews with Early Applicants

Friday, January 15
Sion will Make Offers to Early Applicants for the Class of 2025! 

Monday, January 18
Launch Rolling Admissions
  • Offers will be Extended for the Class of 2025 within two weeks of receiving full application materials.
Monday, January 25
Acceptance Deadline to Enroll in a Spring Step-Up Class
  • Learn more about our new Step-Up Program to earn Sion High School credit this Spring! Learn more.

Monday, February 2
Step-Up Classes Begin!
  • Learn more about our new Step-Up Program to earn Sion High School credit this Spring! Learn more.
Notre Dame de Sion
Grade School for Girls and Boys
3823 Locust Street
Kansas City, MO 64109 
P: 816‑753‑3810 | Email
Notre Dame de Sion
High School for Girls
10631 Wornall Road
Kansas City, MO 64114
P: 816-942-3282 | Email