St. Lambert RCIA classes is ongoing. Classes are schedule every Sunday at 9:00am at Roberts' Hall. Please contact through e-mail Don or Dorsey Jastrebski at djastrebski@gmail.com. Everyone is invited. What is RCIA? Many adults entering the Catholic Church, or those just thinking about it, follow a process known as the RCIA — the Rite of Christian Initiation of Adults. Faith will be the foundation of your life. Laying a strong and solid Catholic foundation is the paramount goal of this process.