He said there had students had been learning Samoan phrases, greetings and words of the day.
"It's expanding their minds. They are gaining experience of different countries and cultures," he said.
"It helps them appreciate other people and to walk in their shoes."
De Boer said the students had already been feeling positive benefits from the celebrations and focus on Samoan way of life.
"It's been great," he said. "They've got a lot out of it."
Arohamai Literacy Horowhenua teaches courses ranging from work readiness to te reo, reading, writing, maths and computer studies.
The organisation's philosophy is that literacy as a basic human right should be provided at no direct cost to learners, in a way that focuses on empowering people by building on their knowledge and experiences to enhance their confidence and capabilities.
The centre was taking a holistic view to Samoa Language Week by incorporating it across the various classes.
Samoa Language Week - Vaiaso o le Gagana Sāmoa, is being held from Sunday 26 May to Saturday 1 June 2019 across the country.
It is organised by the Ministry for Pacific Peoples.
This year's theme is Lalaga le si'osi'omaga mo se lumana'i manuia - Weave an environment for a better future.
For more information visit www.mpp.govt.nz/language-culture-and-identity/pacific-language-weeks/samoa-language-week