Current Classes

Don’t forget … a gift certificate to the Washington Glass School is the gift of creativity!


To register for any classes:

The Washington Glass School has secure online payment options for most of the classes. The initial deposit must be done through PayPal, but the rest of the payment can be made in person through PayPal, Venmo, cash, or check. Scroll below to see the online purchase options! PLEASE BE SURE YOU USE AN EMAIL ADDRESS THAT IS UP TO DATE. We use this to send you important class information, and will not use it for anything else. If the email address linked to your online payment option is out of date we cannot contact you.

Or pay the old fashioned way — please call the Registrar (M-F, 10 am til 5 pm) with credit card info or mail a check made out to Washington Glass School. Be sure to include the course number and your phone number with your deposit. If there are any problems, email

Class Location
Washington Glass School, 3700 Otis Street, Mt. Rainier, MD 20712
(Map available on Contact page.)


Class 4501 - Class 4501: MIG Welding
Class 4502 - Class 4502: Super Bowl Party!
Class 4503 - 4503: Next Step Fused Glass
Class 4504 - 4504: Glass Lovers Weekend
Class 4505 - 4505: Dry Plaster Casting
Class 4506 - 4506: Fun Friday!
Class 4507 - Class 4507 – Open Studio – Work At Your Own Pace

Summer schedule 2023

(Payment is for DEPOSIT. Please come to class with the remaining amount!)

Class 4501: MIG Welding (Class 4501)

Ever wanted to learn how to weld? Want to impress your friends, your older brother and that cute bartender? It’s easier than you think! In three evenings you will learn how to lay a bead, and handle all sorts of sharp and dangerous tools. You will be able to complete a small project and leave with lots of ideas and know-how for other projects. This class will teach you the basics of welding, metal work and design, joining, bending and finishing. And you will get dirty!

A photograph of a person welding

Erwin Timmers

Session 1: 7/11, 7/18, and 7/25 Session 2: 9/12, 9/19, and 9/26

7-9:30 pm


Class 4502: Super Bowl Party! (Class 4502)

Do you like bowls? So do we! Join us for a super Bowl Making party, where you will learn how to make bowl with fused glass! Register with this link, and let the bowl-making begin!

Up to 2 bowls per student depending on the size of the bowl.

Gaby Morris, Studio Artists

Session 1: 7/15 Session 2: 8/19 Session 3: 9/16

1-4 pm

$100/session if using float glass, $135/session if using Bullseye

4503: Next Step Fused Glass (Class 4503)

OK…we hear you! Our Next Step Fused Glass expands on your basic glass techniques and adds some fun extras that will help set your work apart. You will gain a more in-depth understanding of fused glass and the various techniques in the creation of more complex pieces. This 2 day class focuses on creating unique pattern sheets, to be cut and used in the final piece and embellishments with stringers and frit powders! 

A photograph of a square piece of fused glass artwork

Studio Artists

7/20 and 7/27

1-4 pm


4504: Glass Lovers Weekend (Class 4504)

As highlighted in Washingtonian Magazine – Our most popular class, this is the fastest way to learn all aspects of warm glass in the shortest amount of time! Under the supervision of a professional glass artist you will learn the fundamentals of fusing, slumping and dimensional kiln casting. Everything from bowls and plates to sculptural objects… this is the perfect way for a beginner to learn the basics of glass… and you will leave with several very cool items!

Studio Artists

9/9 and 9/10

1-4 pm


4505: Dry Plaster Casting (Class 4505)

Tired of working flat? Want an easy way to get some real depth into your glass? Here’s a fun class where you will learn one of the easiest methods of kilncasting sheet glass to achieve bas-relief sculpture. This incredibly versatile method has endless fine art and architectural applications. In this two day class, we will discuss different types of glass and their firing schedules. Working with color and how it can affect dimensional casting will also be explored. Bring items you may want to cast with this method or choose from our image library. All materials and firings included. 

Michael Janis

9/23 and 9/30

1-4 pm


4506: Fun Friday! (Class 4506)

Fun Friday is a monthly(ish) afternoon class with fun focused projects that are great for adults and older kids alike. 

July: Ice Cream Cones! What’s better than an ice cream cone on a hot summer day? Join Patricia for this refreshing Fun Friday where you can make an ice cream cone that you will enjoy (though not eat) all year round!

August: Put a Bird on It! Get ready to spread your wings and soar into the world of glass art with our vibrant bird Fun Friday! In a few hours you’ll learn how to quickly craft stunning birds using colorful glass.

September: Pet Faces! Join our Fun Friday class and “unleash” your creativity while capturing the essence of your beloved furry friends! In our pet portrait class, you’ll learn various techniques to depict the unique personalities and charm of your pets in glass.

an ice cream cone made out of fused glass
two birds made out of glass, waiting to be fused in the kiln
a rectangular owl made out of fused glass

Patricia de Poel Wilberg Studio artists

Ice Cream: 7/14 Birds: 8/18 Pet faces: 9/15

3-5 pm


Class 4507 – Open Studio – Work At Your Own Pace (Class 4507)

Already know the basics of casting or fusing? Open Studio gives each student the opportunity to work independently in a world class studio. Tuition includes a kiln firing per session, clear base glass and colored scrap glass, use of studio tools. Note: students working in dry plaster casting need to schedule cleanup date with studio coordinator.

Cost: $350 for 4 sessions. $100 for 1 session. Open studio is 12-4 on weekdays. Email for questions or scheduling.

Studio Staff

Email to confirm scheduling

$350 for 4 sessions