Fuller said the children had been involved right from the beginning from the first turning of soil to uncovering historical kumara pits to the first day of school.
"You, the children, are the last piece of the puzzle," she said.
Five-year-old Poppy Roberts was excited to put her blue and navy uniform on this morning, as one of the first students at Taumata School.
Her mum Jess Roberts said her daughter turned five in August, but the family wanted to wait until the new school opened before sending her to school.
The family moved to the area about six months ago and wanted to send their daughter to Taumata School after meeting the principal during open days last year.
"It is an amazing opportunity. She is so lucky to have this opportunity," Jess said.
The school caters for Years 1 to 6 pupils, while Years 7 and 8 will introduced in the next couple of years.