The document discusses English as a global language of power and its relationship to minority language students learning English as a second language in New Zealand schools. It notes that English has become the dominant international language due to the historical power and influence of countries like the United States and United Kingdom. For ESL students in New Zealand, learning English is important to fully participate in the predominantly English-speaking society and have equal opportunities. Teachers have an important role in supporting ESL students and helping them develop English proficiency while acknowledging their diverse cultural backgrounds.