Portland Middle School

Portland Middle School is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Government Offices
• School
• School Secondary & Elementary
• School Public

North American Industry Classification System (NAICS) Categories:

• Elementary And Secondary Schools > Schools, Elementary & Secondary, Public
• All Other Miscellaneous Schools And Instruction
• Executive Offices

Standard Industry Classification (SIC) Categories:

• Elementary And Secondary Schools > Schools, Elementary & Secondary, Public
• Schools And Educational Services, Nec
• Executive Offices