Case Study

Castelli
International School

How educating and empowering the youngest of eaters can create the demand for a more sustainable food system, one school meal at a time.

“Tribusana thanks Castelli International School (CIS) for opening its doors and allowing us to implement a new, participatory approach to inspire a true sense of ‘healthy tribe’ within its school community.”

The Challenge

The primary goal was replacing traditional processed
convenience foods—like nuggets and fish fingers—with
nutritious whole foods. The hurdle wasn’t just selection, but
doing so without increasing food waste, ensuring students
actually enjoyed the shift.

School Mission

“To develop inquisitive, caring, well-rounded
individuals who will make a positive impact
towards creating a sustainable global
society.”

The Timeline & Process

In 7 months, Tribusana facilitated 11 workshops to help students and families
adopt healthy eating habits.

1

Eating Real Rainbows
Workshops

Focus on discovery, testing
new seasonal foods, and
understanding color
diversity in nutrition.

Discovery Diversity
2

Follow-Up Survey

Data collection revealed a
high preference for
processed foods and initial
waste spikes with whole
foods.

Data Driven
3

Masterclass for
Parents

Implementing Mediterranean
diet strategies, practical
home cooking, and
sustainability education.
4

Cooking Workshop

Students made colorful
hummus with fresh veggies,
successfully replacing
processed alternatives.

The Results

A fundamental shift in the school’s food culture, moving from convenience to conscious consumption.

Success Metric High
Acceptance

Whole Food Adoption

Hummus with carrots and fennel replaced
fish fingers with enthusiastic student
acceptance.

Systemic Change

Impact Beyond Plates

Students emerged as agents of change,
resulting in reduced food waste and a more
sustainable system.

Improve Meals at You Child’s School

Contact Florencia to implement these transformative workshops in
other schools and start your community’s journey to vitality.

Elevating human potential through the intersection of
clinical nutrition and lifestyle architecture. Expertly
curated, scientifically backed.

© 2026 Tribusana. Expertly Curated Vitality.
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