Events

Dec 1 Tue
- STM MS Wrestling @ Spearfish 4 PM – 8 PM (Spearfish)
  St. Thomas More School
- STM MS Girls Basketball @ Custer 4:30 PM – 7 PM (Custer MS)
  St. Thomas More School
Dec 2 Wed
- STM 9:00 Mass (Cathedral OLPH)
  St. Thomas More School
- Sophomore Retreats (Girls at Terra Sancta; Boys at Storm Mountain)
  St. Thomas More School
- STM Catholic Math League Competition #2 3:40 PM – 4:10 PM
  St. Thomas More School
Dec 3 Thu
- Sophomore Retreats (Girls at Terra Sancta; Boys at Storm Mountain)
  St. Thomas More School
- STM MS Girls Basketball @ RC East 4 PM – 6:15 PM (RC East MS)
  St. Thomas More School
Dec 4 Fri
- Christmas at the Capitol
  St. Thomas More School
- Saint Shirt Day
  St. Thomas More School
- STM Boys Wrestling Bill Young Invite 9 AM – 5 PM (Custer SD)
  St. Thomas More School
- STM MS Girls Basketball @ Lead-Deadwood 4:30 PM – 8 PM (Lead Deadwood HS)
  St. Thomas More School
Dec 5 Sat
- STM Girls Wrestling @ Bill Young Invite 9 AM – 5 PM (Custer SD)
  St. Thomas More School
- STM MS Girls Basketball @ Lead-Deadwood 9 AM – 4 PM (Lead Deadwood HS)
  St. Thomas More School
- STM MS Wrestling 9 AM – 5 PM (RC)
  St. Thomas More School
Dec 7 Mon
- STM MS Girls Basketball @ Stagebarn 4 PM – 6:30 PM (Stagebarn MS)
  St. Thomas More School
Dec 8 Tue
- STM 9:00 Mass (for the Immaculate Conception)/NHS Induction
  St. Thomas More School
- STM MS Wrestling @ Douglas 4 PM – 8 PM (Douglas MS)
  St. Thomas More School
- STM MS Girls Basketball vs Sage Valley 4:15 PM – 6:30 PM (STM MS Gym)
  St. Thomas More School
Dec 9 Wed
- Local Know Your Faith Competition
  St. Thomas More School
- SES Pre-5 Christmas Programs 8:30, 9:30, 10:30, 1:30
  St. Thomas More School
Dec 10 Thu
- STM MS Wrestling @ Custer BHC 4 PM – 8 PM (Custer Armory)
  St. Thomas More School
- STM Girls Basketball @ Gillette vs Thunder Basin 5:30 PM – 7 PM (Thunder Basin HS Gillette, WY)
  St. Thomas More School
- MS Christmas Concert 7 PM – 9 PM (STM MS Gym)
  St. Thomas More School
- STM Boys Basketball vs Thunder Basin 7 PM – 9 PM (Thunder Basin HS Gillette, WY)
  St. Thomas More School
- STM MS Christmas Concert 7 PM – 9 PM (STM MS Gym)
  St. Thomas More School
Dec 11 Fri
- STM Boys Wrestling @ RC Invite 11 AM – 5 PM (Summit Arena)
  St. Thomas More School
- STM Girls Basketball @ Gillette vs Campbell County 5:30 PM – 7 PM (Campbell Co HS )
  St. Thomas More School
- STM Boys Basketball @ Gillette vs Campbell Co 7 PM – 9 PM (Campbell County HS)
  St. Thomas More School
Dec 12 Sat
- STM Girls Wrestling @ RC Invite 9 AM – 5 PM (Summit Arena)
  St. Thomas More School
- STM Boys Basketball @ Gillette vs Sheridan 9:30 AM – 11 AM (Thunder Basin HS)
  St. Thomas More School
Dec 14 Mon
- RCCSS Board Meeting 5 PM – 7 PM (Chancery Building)
  St. Thomas More School
Dec 15 Tue
- MS Images of the World Assembly
  St. Thomas More School
- STM Boys/Girls Wrestling @ LNI 9 AM – 5 PM (Summit Arena)
  St. Thomas More School
- STM MS Girls Basketball @ RC Chirstian 4 PM – 6 PM (RC Christian School)
  St. Thomas More School
- HS Christmas Concert 7 PM – 9 PM (Cathedral OLPH)
  St. Thomas More School
- STM HS Christmas Concert 7 PM – 9 PM (Cathedral)
  St. Thomas More School
Dec 16 Wed
- STM 9:00 Mass (Cathedral OLPH)
  St. Thomas More School
Dec 17 Thu
- STM Boys/Girls Wrestling @ Douglas Quad 4 PM – 8 PM (Douglas HS)
  St. Thomas More School
Dec 18 Fri
- STM Boys Basktball @ Scottsbluff (Scottsbluff HS)
  St. Thomas More School
- STM Girls Basketball @ Scottsbluff (Scottsbluff HS)
  St. Thomas More School
- STM Girls Wrestling @ Hot Springs 10 AM – 5 PM (Hot Springs)
  St. Thomas More School
Dec 19 Sat
- Christmas Break - NO SCHOOL
  St. Thomas More School
- STM Boys Basktball @ Scottsbluff (Scottsbluff HS)
  St. Thomas More School
- STM Girls Basketball @ Scottsbluff (Scottsbluff HS)
  St. Thomas More School
- STM MS Girls Basketball @ Hill City Tourny 8 AM – 4 PM (Gins Gym Hill City, SD)
  St. Thomas More School
- STM Boys Wrestling @ Hot Springs 9 AM – 5 PM (Hot Springs)
  St. Thomas More School
Dec 20 Sun
- Christmas Break - NO SCHOOL
  St. Thomas More School
Dec 21 Mon
- Christmas Break - NO SCHOOL
  St. Thomas More School
Dec 22 Tue
- Christmas Break - NO SCHOOL
  St. Thomas More School
Dec 23 Wed
- Christmas Break - NO SCHOOL
  St. Thomas More School
Dec 24 Thu
- Christmas Break - NO SCHOOL
  St. Thomas More School
Dec 25 Fri
- Christmas Break - NO SCHOOL
  St. Thomas More School
Dec 26 Sat
- Christmas Break - NO SCHOOL
  St. Thomas More School
Dec 27 Sun
- Christmas Break - NO SCHOOL
  St. Thomas More School
Dec 28 Mon
- Christmas Break - NO SCHOOL
  St. Thomas More School
Dec 29 Tue
- Christmas Break - NO SCHOOL
  St. Thomas More School
- STM Girls Wrestling @ Sioux Falls 9 AM – 5 PM (Sioux Falls Lincoln HS)
  St. Thomas More School
- STM Boys Basketball vs Wall 12 PM – 8 PM (STM HS Gym)
  St. Thomas More School
- STM Girls Basketball vs Wall 1:30 PM – 8 PM (STM HS Gym)
  St. Thomas More School
Dec 30 Wed
- Christmas Break - NO SCHOOL
  St. Thomas More School
- STM Boys Wrestling @ Sioux Falls 9 AM – 5 PM (Sioux Falls Lincoln HS)
  St. Thomas More School
Dec 31 Thu
- Christmas Break - NO SCHOOL
  St. Thomas More School
- STM Girls Basketball @ Hoop City Classic (Corn Palace Mitchell SD)
  St. Thomas More School

Events in December 2026
Su	Mo	Tu	We	Th	Fr	Sa
	One event •	2 events ••	3 events •••	2 events ••	4 events •••	3 events •••
	One event •	3 events •••	2 events ••	5 events •••	3 events •••	2 events ••
	One event •	5 events •••	One event •	One event •	3 events •••	5 events •••
One event •	One event •	One event •	One event •	One event •	One event •	One event •
One event •	One event •	4 events •••	2 events ••	2 events ••	One event •	2 events ••

Calendars

St. Elizabeth Ann Seton School
St. Thomas More School
Activities

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Events

St. Thomas More Middle School

St. Thomas More High School

St. Elizabeth Seton Preschool

St. Elizabeth Seton Elementary