In-A-Day classes are single-day sessions of focused learning are brought to you by our OSA instructors.

There is limited free onsite parking, with an ADA approved parking space and ramp to our lower level classrooms. TriMet bus #51 and #63 both stop in front of OSA.


  • With regards to COVID-19, we follow all CDC Guidelines.  Additionally, OSA requires class participants be vaccinated and all students and teachers are required to wear a mask during class. 
  • If you have not done so already please provide the OSA office with proof of vaccination. A photo or a scan of your card may be submitted here: or a copy sent via USPS mail to Oregon Society of Artists, 2185 S.W. Park Place Portland, Oregon 97205.Thank you for your patience with these protocols. 
  • All workstations are cleaned between classes. To maximize airflow we open windows, doors, and set fans.  Additionally, there are air purifiers in the room.
  • All "Online" classes are being conducted via the Zoom platform.  Instructors will send the "invitation to join" via email prior to class.  In that email, you will simply click the link to join "the meeting" and enable your audio. If you have trouble please give us a call.

To meet the OSA Instructors, please click here
Scholarships are available.  Please click here for the application.

Classes are Nonrefundable. Please connect with your instructor to make-up class dates within the same term.


GETTING YOUR HEAD AROUND NEGATIVE PAINTING with Anji Grainger | Saturday, January 15, 2022

The day will consist of a negative painting exercise in watercolor designed to give a painter a clear understanding of using negative space to enhance the “wow factor” of a painting.
For more information and to register, click here.

Mask Making - In A Day with Chas Martin |  Sunday, February 13 (new date):

The magic of a mask is its ability to either disguise the wearer or amplify a quality within us. It can also be your pathway from imagination to reality. In this one-day workshop, Chas Martin will share a variety of techniques to create masks of wire, paper, and air-dry clay. He will also explain process from sketch to finished piece for a variety of masks he has created. He provides ample demonstration and hands-on guidance. Martin’s teaching style is playful and informative. All materials are provided. All you need is a little imagination and willingness to try something new. 

For more information and to register, click here.

Sunday, March 13: Figure in a Day with Joanne Kollman

Saturday, March19: Art Marketing with Becky Sciullo of Artisan Advantage - Online