Adult Education

For the Adult Education Schedule please click here


Studies in the Faith

Led by: Fr. Paul Paris

Father covers various topics of Christianity for adults via Zoom. Each session is approximately one hour.

We meet on Wednesday via Zoom starting at 1:00 pm.

Ask the Fathers /

Adult Sunday School 

Led by: Fr. Christos Kalaitzis via Zoom Only

Please note: This class will resume in September 2023

The Combination of ‘‘Adult Sunday School’’ and ‘‘Ask the Fathers’’ is completed for the ecclesiastical year and will return in October 2023!

Lectures on Orthodoxy (in English)

Led by Fr. Christos Kalaitzis and Koula Fkiaras via Zoom Only

Please note: This class will resume in October 2023

The courses will be held in Greek and will cover, among other things, topics such as feasts, sacred mysteries, saints, architecture, and structure of the church. The meetings will take place in person and at the same time will be streamed online.

We meet on Wednesday via Zoom starting at 7:00 pm.

Μαθήματα για την Ορθόδοξη πίστη (στα ελληνικά)

Τα μαθήματα θα διεξάγονται στα ελληνικά και θα καλύπτουν, μεταξύ άλλων, θέματα όπως εορτές, ιερά μυστήρια, αγίους, αρχιτεκτονική και δομή του ναού. Οι συναντήσεις θα γίνονται με φυσική παρουσία και ταυτόχρονα θα μεταδίδονται διαδικτυακά. Η πρώτη συνάντηση έχει οριστεί για τις 11 Οκτωβρίου 2022 και οι λεπτομέρειες θα ανακοινωθούν στα τέλη του Σεπτέμβρη.

Orthodox Catechism Class

Led by Fr. Christos Kalaitzis

Please note: This class will resume in October 2023

What: Catechism for anyone who wants to be baptized Orthodox or just inquiring.
Who: Father Christos will moderate
When: Every Tuesday evening. We start at 7:00pm and we end around 8:00pm.
Where: Holy Trinity’s small Hall and on zoom at the same time.

Life In The Kingdom

The History of Eastern Orthodox Christianity from the Incarnation to the Present.

Led by Fr. Deacon David Cole

This annual fall course is designed for Orthodox and non-Orthodox alike:  inquirer, catechumen, newly-chrismated, Sunday school teacher, adult leader, or interested parishioner. Its purpose is to introduce the historic development of the Orthodox Christian Church from the First to the Twenty-First Century. The faith, worship, and belief of Eastern Christianity will be covered in greater detail during Lent 2024.

When: Every Monday, starting in the Fall of 2023. We start at 7:00pm and we end at 9:00pm.
Where: Holy Trinity Greek Orthodox Cathedral small hall - 3131 NE Glisan, Portland
Class Text: The Orthodox Church (1997) - Metropolitan Kallistos Ware

Course of Study:





Apostolic-Byzantine Christianity, Monasticism, and Great Councils (7 BC-AD 800)

Chapters: 1 - 2


Schisms Great and Small (325-1204)

Chapters: 2 - 3


Byzantine Missions to the Slavs (800-1400)

Chapter 4


The Greek Church under Islam (1400-1900)

Chapter 5


Moscow and St. Petersburg: Russian Orthodoxy (1400-1917)

Chapter 6


The Failed War on God:  Orthodoxy, Militant Atheism, 21st Century Survival, and Renewed Mission (1917 - Present)

Chapters 7, 8, 9

More information to come!