Rathkeale St Matthew's Senior College students pulled on their gumboots and day-glo safety vests for a class in agriculture on a larger scale at the Wairakei Estate in Taupo.
Last month the nine students travelled with agriculture teacher Alan Grant to the 26,000-hectare Central Plateau estate, home to businesses including Fiber Fresh Feeds, a geothermal power operation and Landcorp, which manages dairy farming on the property.
Mr Grant said the one-day trip gave the Year 12 and 13 students "a close-up look" at a large-scale farming operation and the efforts made to mitigate the effects on the environment.
It was the first long-distance trip Mr Grant had led at the school and the focus on the impact high-intensity farming has on water quality and quantity was expected to help students facing NCEA Level 3 exams this year.
He said: "We had the offer to come and see operations on a large scale and we looked at the environmental side of things, like the allocation of water.