Seaway District High School
2 Beach Avenue · Iroquois · K0E1K0 · Upper Canada DSB
Seaway District High School: one of the 1 secondary schools within 3 km of Morrisburg. Every school in and around Morrisburg →
What stands out about Seaway District High School
- 265 students, well under the 810 of a typical secondary school in Ontario.
- On the measures with a value, it lands in the bottom fifth in Ontario.
- Furthest behind on Grade 9 math: 35%, against 55% in Ontario.
- Over three years, 2 of its measures rose by 5 points or more.
- An English public school, run by Upper Canada DSB.
- The only secondary school in or within 3 km of Morrisburg.
How Seaway District High School does on Ontario’s tests
EQAO’s Grade 3, 6 and 9 assessments and the literacy test, 2024-25: each school against every school in Ontario.
Seaway District High School reports 2 of 2 measures; on average they sit in the bottom fifth in Ontario.
| Measure | Here | Middle, Ontario | Band | 3-year change |
|---|---|---|---|---|
| Grade 9 math | 35% | 55% | Bottom fifth | +5 |
| Literacy test (OSSLT), first try | 73% | 85% | Bottom fifth | +7 |
N/R: EQAO doesn’t report groups too small to keep students anonymous. The three-year change is in percentage points, as the ministry publishes it.
Where Seaway District High School sits among the province’s schools
Against the other schools in Ontario, Seaway District High School’s results fall in the bottom fifth. That band is its measure here: the letters on this site are for towns.
The letter belongs to Morrisburg: its School Grade weighs Seaway District High School with every other school around it.
Getting a place at Seaway District High School
Where a family lives sets the school: each board draws a catchment around every one of its schools, and a child living inside it has a place there. Other schools take children from outside when they have room.
The provinces’ education acts and the boards’ own admission policies; check with the board for a given address.
Side by side with the nearest secondary schools
Schools of the same level around it, closest first.
| School | System | Language | Band | Away |
|---|---|---|---|---|
| Seaway District High School | English public | English | Bottom fifth | |
| South Grenville District High School | English public | English | Bottom fifth | 22 km |
Secondary schools near Seaway District High School
Nearest first, as the crow flies, up to 25 km. Each school’s own admission policy decides who gets a place.
Questions about Seaway District High School
Who runs Seaway District High School?
Seaway District High School comes under Upper Canada DSB (English public).
What language does Seaway District High School teach in?
English.
How do pupils get a place at Seaway District High School?
Choose a system, then register with its board; the address decides the school.
Which schools of the same kind are near Seaway District High School?
Nearest of all: South Grenville District High School (22 km).
Sources: Ontario Ministry of Education, School Information Finder 2024–25 and school contact list (Open Government Licence – Ontario) · Ontario Ministry of Education, School Information Finder 2024–25 (EQAO results; N/R where groups are too small). Open Government Licence – Ontario. · map tiles © OpenStreetMap contributors. Under the Statistics Canada Open Licence.
Adapted from Statistics Canada (Census of Population 2021, population estimates 2025, 2021 census boundaries) under the Statistics Canada Open Licence; this does not constitute an endorsement by Statistics Canada. Neighbourhood names in some cities © OpenStreetMap contributors (ODbL).