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Public schoolElementaryGrades K–5

Mary C. Dondero Elementary School

🇺🇸 Official data · 2025Portsmouth, New Hampshire 03801 · Portsmouth School District

92.7/ 100
Success Index (US)
Top 5%

#11 of 254 elementary schools in New Hampshire
#322 of 50,301 nationally

How is this calculated?
Students
328
Enrollment
328
Source: NCES CCD
Free/reduced-price lunch
13.7%
Source: NCES CCD
Students per teacher
9.4
Source: NCES CCD

About Mary C. Dondero Elementary School

Mary C. Dondero Elementary School is a public elementary located in Portsmouth, in the Portsmouth School District school district of New Hampshire, United States. It caters for Grades K–5. In 2025 it enrolled 328 students. Traditional public schools run by a school district; free to attend.

Its Success Index (US) is 92.7 out of 100, placing it in the top 5% of elementary schools in United States and 11th of 254 ranked elementary schools in New Hampshire. Its strongest component is students per teacher (96th percentile), and its weakest is math proficiency (91th percentile).

Other published figures: enrollment 328.

There are 6 schools in Portsmouth; Mary C. Dondero Elementary School ranks 3rd of 5 scored schools there.

Success Index (US) breakdown

Each component is a percentile against elementary schools across United States.

  • Math proficiency (30%)77%
  • Reading proficiency (30%)77%
  • Community advantage (fewer free/reduced-price lunch) (25%)13.7%
  • Students per teacher (15%)9.4

The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.

Published measures

All figures published for Mary C. Dondero Elementary School by the official sources.

Enrollment
328
Students enrolled in the latest NCES directory year.
Free/reduced-price lunch
13.7%
Share of students eligible for free or reduced-price lunch.
Students per teacher
9.4
Enrollment divided by FTE teachers; not class size.
Reading proficiency
77%
Share of tested students proficient or above (all students, all grades).
Math proficiency
77%
Share of tested students proficient or above (all students, all grades).

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Schools near Mary C. Dondero Elementary School

Closest schools by straight-line distance, with their Success Index (US).

Similar schools

Public elementary schools in New Hampshire with a comparable Enrollment.

Frequently asked questions

Is Mary C. Dondero Elementary School a good school?

Mary C. Dondero Elementary School has a Success Index (US) of 92.7 out of 100 (Top 5% of elementary schools in United States) and ranks #11 of 254 in New Hampshire. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.

Where does Mary C. Dondero Elementary School rank in New Hampshire?

Mary C. Dondero Elementary School ranks #11 of 254 elementary schools in New Hampshire and #322 of 50,301 nationally on the Success Index (US) (2025 data).

How many students attend Mary C. Dondero Elementary School?

Mary C. Dondero Elementary School had 328 students in 2025.

Is Mary C. Dondero Elementary School a elementary school or a high school?

Mary C. Dondero Elementary School is classified as a elementary covering Grades K–5. It is a public school.

What other schools are near Mary C. Dondero Elementary School?

There are 10 schools within 15 km of Mary C. Dondero Elementary School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.