What prep school actually costs (beyond the tuition figure)
Every family we talk to starts with the tuition figure on the school's website. Almost none of them finish the year having spent only that.
Across the 142 schools in the PrepFinder database, the median published boarding tuition is $77,617, and the average school meets about 34% of demonstrated need across its aided students. Those two numbers do most of the work in a family's first conversation about affordability — and they leave out most of what actually shows up on the credit card.
This isn't a scare piece. Prep school can be worth every dollar. But the families who feel blindsided in March are almost always the ones who budgeted the tuition line and nothing else.
The line items nobody quotes you
Published tuition typically covers instruction, room, and board. It rarely covers the rest of a teenager's year. In our conversations with families, the categories that consistently get missed are:
- Travel home — three to five round trips a year, priced at holiday rates, plus airport transport the school may bill separately
- Sports and activity fees — team gear, equipment replacement, tournament travel, and outdoor-program deposits
- Books, technology, and a required laptop refresh
- Health services, insurance top-ups, and required immunization or physical paperwork
- Spending money — the day-to-day amount that determines whether your kid can say yes when everyone else goes into town
- Summer programs, language immersion, or the pre-season camp that turns out to be effectively mandatory for a varsity spot
Families consistently tell us they spent $15,000 to $25,000 more per year than the published tuition — and that financial aid rarely stretched to cover it.
Why the extras hit aided families hardest
Financial aid awards are almost always built against tuition, room, and board. The incidental budget is where a school's culture becomes a cost. If most students fly home for long weekends and order in on Saturday nights, a kid on full aid feels every gap.
Many schools genuinely try to close this with travel stipends, gear closets, and activity funds. Some do it well and quietly. Ask directly: what does the aid award cover beyond tuition, and what's the realistic annual out-of-pocket for a family at our level? An admissions office that answers that question in specifics is telling you something good about the school.
Build the real number before you tour
The most useful thing a family can do early is write down a full-year figure: tuition minus expected aid, plus travel, plus fees, plus a monthly spending allowance, plus a contingency. Then decide whether that number is survivable for four years — because tuition rises annually, and aid awards are re-evaluated every year.
We built the school pages so you can start from published figures rather than guesswork. Each profile links to the school's own tuition and aid page, with the year the figure was published, so you're not relying on a number a stranger typed into a spreadsheet three years ago.
Questions worth asking on the visit
Ask all five at every school. The variation in the answers will tell you more than any ranking.
- What is the total annual cost for a typical boarding family, including fees you don't advertise?
- How much does the average aided family pay out of pocket beyond the award?
- Does aid cover travel home, sports gear, or summer programs?
- How much has tuition risen in each of the last five years?
- If our finances change mid-enrollment, what does the re-evaluation process look like?