Why are all the other preschool options so cheap? Even Montessori-trained preschool teachers are barely paid enough to scrape by, and it's not like the schools are taking in enough cash to pay them more.
Knocking off 100k for <foo> leaves 500k between the 5 staff, which is 100k each.
Note that many Montessori schools offer access to financial help. The key benefits are said to be derived between the ages of 3 and 6. My daughters both started at age 2, still going, I wish I had had that kind of education.
> Total expenditures for public elementary and secondary schools in the United States in 2013–14 amounted to $634 billion, or $12,509 per public school student enrolled in the fall (in constant 2015–16 dollars).