What are the monthly value clusters for elementary education in Philippines?

Below Poverty Line: Monthly income less than ₱ 15, 000

Low: Monthly income from ₱ 15, 000 to ₱ 35, 000

Middle: Monthly income from ₱ 35, 000 to ₱ 100, 000

High: Monthly income greater than ₱ 100, 000