Ranked the #1 Catholic High School in the Kansas City Area on Niche.com
Voted the Best Private School In Kansas City by the Kansas City Star
Saturday, October 25, 2025
RSVP DEADLINE: Wednesday, October 15, 2025
All Sion Alumnae are invited to the reunion (age 21+). Below are the years with milestone celebrations!
2025 Milestones
Graduating years ending in 0's and 5’s - starting with the 75-year Anniversary for the Class of 1950 up to the 5-year Anniversary for the Class of 2020.
High School Mass & Social | 4:30-7:30 pm
$25.00 Registration Fee (includes appetizers and drinks)
$25.00 Registration Fee (includes appetizers and drinks)
RSVP REQUIRED. Deadline to RSVP is October 15th.
In order to provide an exceptional catered event, we will not be accepting walk-ins. Includes first drink at Charlie Hooper's After Party!
In order to provide an exceptional catered event, we will not be accepting walk-ins. Includes first drink at Charlie Hooper's After Party!
Notre Dame de Sion High School
10631 Wornall Road, Kansas City, MO 64114
10631 Wornall Road, Kansas City, MO 64114
Join us for Mass in the Chapel at 4:30 pm and the school will be open from 5:00-7:30 pm. Join your Sion sisters in the old gym (South Six) to enjoy cocktails and light bites catered by Evan Williams. Wander the building, look for your graduation dress, and peruse the composite photos to reminisce and kick off the night. Past faculty members will be slinging drinks and serving up the signature cocktail.
Alumnae Awards Presentation | 6:30-7:00 pm
You’re welcome to join in celebrating our Annual Alumnae Award Winners and Special Alumnae Award recipients in the South Six at 6:30 pm.
Charlie Hooper's Afterparty | 7:30 pm
RSVP Appreciated, No Registration Fee
12 W. 63rd Street, Kansas City, MO 64113
12 W. 63rd Street, Kansas City, MO 64113
All Alumnae and their guests are invited to mix and mingle with old friends! Appetizers will be provided, and your first drink is free if you attended the Reunion Open House, cash bar after that.
Please RSVP below so we have accurate numbers for planning! RSVP DEADLINE IS Wednesday, October 15, 2025.
Nominate a Sion Sister for our Annual Alumnae Awards! We'll be announcing and honoring our winners at the Reunion Open House on Saturday, October 25, 2025.
If you have questions or would like further information, please contact Hannah Schumm '04, Manager of Alumni Engagement & Signature Events, at hschumm@ndsion.edu.
