KGW has listed Portland area schools and locations where you can find meals for kids 1-18 during the school shutdown. https://www.kgw.com/article/news/health/coronavirus/food-meals-schools-portland-closed-coronavirus/283-f54b65f9-eeb8-4854-b7a9-f0fc9d61aab2
Portland School District has a list of their lunch locations here.
The Oregon Food Bank has a food finder site where you can search for local food banks and places serving meals. Please call ahead to see if they are open on their listed dates and times.
Call 211 at any time if you need food help or any other type of social services help.
Please share and add any information you might have in the comments down below. I will update as I get any new information.