Explore the value of a private Catholic high school education

We invite you to explore the value of an STA education, as well as tuition rates and financial assistance options.

How Your Child Can Benefit From an STA Education
Affording STA
Tuition Rates
Frequently Asked Questions

Simplify your search for the right private high school.

How Your Child Can Benefit From an STA Education

Prepared for college and for life

There’s no greater feeling than knowing that you’ve made the right investment in your teen’s education. At STA, we partner with parents to provide an education that prepares high schoolers for college and life.

Tuition Rates

Learn all about our current tuition rates and fees

Tuition Rate, 2025-2026
Grade LevelTuition*
Grades 9-12$19,577**

*Exclusions from the tuition: Uniform, laptop, school supplies, calculator, AP exam & SAT costs, parking fees, student activities such as Winterterm and other events.

**There is also a student fee of $425 required annually during enrollment.

Affording STA

Financial assistance, discounts, and financial ASSISTANCE options

Perhaps one of the biggest considerations you’re thinking of as a parent is the cost of private high school. At STA, we’re committed to making private high school education accessible for you and your family. There are many avenues for you to explore as you consider applying to our school:

Financial Assistance

Families can apply for financial aid online through FACTS. As you fill out the online application, you’re required to submit the following:

  • A copy of the IRS taxes from the previous two years of your school year enrollment (ex. 2021 IRS taxes for SY 2023-2024).
  • A copy of your W-2 from the previous two years of your school year enrollment (ex. 2021 W-2 for SY 2023-2024).
  • Other personal background information relevant to determining financial aid

Did you know…

The average financial asssitance awarded to families is approximately
$7,500 per year.

The average financial assistance awarded to families is approximately $7,500 per year.

One in three families receives financial assistance from STA.

The FACTS website requires a $40 application fee upon submission. If you have any questions, please get in touch with FACTS at (866) 441-4637.

Scholarships

During the 2024-2025 school year, we were thrilled to offer 16 scholarships! Information on 2026-2027 scholarship opportunities will become available during the 2025-2026 school year.

While scholarship applications for the 2025-2026 school year are not yet available, you can view last year’s offerings here for an overview of the scholarships that are typically offered. Please note that scholarship offerings are subject to change and may vary from year to year.

Any questions, please reach out to Mrs. Bolduc at sbolduc@stalux.org.

Discounts and Payment Plans

Payment plans

STA families have four options for paying tuition: A single payment, a semi-annual payment, a 10-month payment plan, and a 12-month payment plan.

Frequently Asked Questions

Yes, we encourage all families to apply to see what they may qualify for.

You may apply for financial aid or pay out of pocket.

Tuition payments start June 1 for the upcoming year.

Yes! You may contact our Comptroller, Christina Goodrich at cgoodrich@stalux.org.

Visit St. Thomas Aquinas High School

As you find the best choice for a private high school in Dover, NH, and surrounding communities, we’d like you to get a full view of what STA offers. Learn more about our college-prep programs, uplifting community, and distinct school culture where your teen can thrive. We can’t wait to meet you and your family!

Visit Us

Ready to apply? Click here to start your online application.
Questions? Please get in touch with us at (603) 742-3206 or sbolduc@stalux.org for financial assistance and tuition-related questions.