Start by boiling the water in a large pot.
While waiting for the water to boil, prepare the tapioca pearls according to package instructions. Rinse them in cold water, then soak them in a mixture of equal parts water and sugar for at least 30 minutes. Drain and rinse the pearls again before using them.
Once the water is boiling, remove it from heat and add the tea bags. Let them steep for 3-5 minutes, or until the desired strength of tea flavor is achieved.
Fill a medium saucepan with milk and place it over low heat. Warm the milk until it's hot but not boiling.
Add the sugar to the warm milk and stir until it's fully dissolved.
Remove the tea bags from the pot and discard them. Pour the tea into a strainer placed over a large bowl or container. Discard any loose tea leaves or sediment.
Stir the tapioca pearls into the tea and let them soak for a few minutes. This will allow them to absorb some of the tea flavor.
To serve, pour the tea and tapioca pearls into glasses or mugs filled with ice cubes. You can blend the tea and pearls together using a blender if desired.
Adjust the sweetness level to taste using honey or sugar syrup. Serve immediately and enjoy!