v3.25.1
Form N-1A Cover
May 28, 2025
Prospectus [Line Items]  
Document Effective Date May 30, 2025
Document Creation Date May 28, 2025
Document Type 485BPOS
Amendment Flag false
Registrant Name Capitol Series Trust
Entity Central Index Key 0001587551
Entity Investment Company Type N-1A
Document Period End Date May 28, 2025
Prospectus Date May 30, 2025