At the time of writing (May 2013), the average cost of building a two-classroom bottle school in Guatemala is between $12-15,000.
There are many different factors which can have a great effect on the final cost of a bottle school project. You should be aware of this when planning the budget for your project, and allow sufficient contingency funds (a minimum of 10%, preferably 20%) to cover unforeseen expenditure due to circumstances beyond your control. Below are some of the factors which will affect the final cost of a bottle school.
COST OF MATERIALS
• How remote the community is
• How far from the capital city
• How far from the nearest big city
• Fuel prices
• Exchange rate