Hammarskjold High School
🇨🇦 Official data · 2025Thunder Bay, Ontario P7B4W8 · Lakehead DSB
#403 of 766 secondary schools in Ontario
#403 of 766 nationally
About Hammarskjold High School
Hammarskjold High School is a public secondary located in Thunder Bay, in the Lakehead DSB school board or district of Ontario, Canada. It caters for Grades 9-12. In 2025 it enrolled 960 students. Publicly funded schools run by public school boards or districts; free to attend.
Its Success Index (Canada) is 48.7 out of 100, placing it in the lower 50% of secondary schools in Canada and 403rd of 766 ranked secondary schools in Ontario. Its strongest component is osslt first-attempt pass rate (61th percentile), and its weakest is community advantage (fewer low-income households) (28th percentile).
Other published figures: enrolment 960; first language not english 7%; special education 21%; identified as gifted 0%.
There are 52 schools in Thunder Bay; Hammarskjold High School ranks 16th of 41 scored schools there.
Success Index (Canada) breakdown
Each component is a percentile against secondary schools across Canada.
- EQAO Grade 3 (reading, writing, maths) (20%)–
- EQAO Grade 6 (reading, writing, maths) (25%)–
- EQAO Grade 9 mathematics (25%)57%
- OSSLT first-attempt pass rate (20%)88%
- FSA literacy score (25%)–
- FSA numeracy score (25%)–
- Community advantage (fewer low-income households) (10%)11%
- Parent education (fewer parents without a credential) (10%)6%
The Success Index (Canada) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Hammarskjold High School by the official sources.
- Enrolment
- 960
- Students enrolled in the latest published year.
- EQAO Grade 9 maths
- 57%
- % at or above the provincial standard in Grade 9 mathematics.
- OSSLT pass rate
- 88%
- % passing the Grade 10 literacy test on the first attempt.
- Low-income households
- 11%
- % of students living in low-income households.
- Parents without a credential
- 6%
- % of students whose parents have no degree, diploma or certificate.
- First language not English
- 7%
- % of students whose first language is not English.
- Special education
- 21%
- % of students receiving special education services.
- Identified as gifted
- 0%
- % of students identified as gifted.
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Schools near Hammarskjold High School
Closest schools by straight-line distance, with their Success Index (Canada).
St Pius X Catholic Elementary School
Thunder Bay · Catholic elementary · Grades JK-6
205 students · 257 m away
Algonquin Avenue Public School
Thunder Bay · Public elementary · Grades JK-8
265 students · 477 m away
C D Howe Public School
Thunder Bay · Public elementary · Grades JK-8
265 students · 860 m away
Corpus Christi Catholic Elementary School
Thunder Bay · Catholic elementary · Grades JK-6
265 students · 900 m away
Bishop E. Q. Jennings Senior Elementary School
Thunder Bay · Catholic elementary · Grades 7-8
260 students · 927 m away
Ecole Gron Morgan Public School
Thunder Bay · Public elementary · Grades JK-8
770 students · 1.0 km away
Holy Cross Catholic Elementary School
Thunder Bay · Catholic elementary · Grades JK-6
345 students · 1.2 km away
St Bernard Catholic Elementary School
Thunder Bay · Catholic elementary · Grades JK-6
505 students · 1.2 km away
École secondaire catholique de La Vérendrye
Thunder Bay · Catholic secondary · Grades 9-12
135 students · 1.6 km away
École catholique de La Vérendrye
Thunder Bay · Catholic elementary · Grades 7-8
90 students · 1.6 km away
Similar schools
Public secondary schools in Ontario with a comparable Enrolment.
East Northumberland Secondary School
Brighton · Public secondary · Grades 9-12
960 students
Lisgar Collegiate Institute
Ottawa · Public secondary · Grades 9-12
960 students
Galt Collegiate and Vocational Institute
Cambridge · Public secondary · Grades 9-12
960 students
Keswick High School
Keswick · Public secondary · Grades 9-12
960 students
Bernie Custis Secondary School Secondary School
Hamilton · Public secondary · Grades 9-12
955 students
Humberview Secondary School
Bolton · Public secondary · Grades 9-12
955 students
Frequently asked questions
Is Hammarskjold High School a good school?
Hammarskjold High School has a Success Index (Canada) of 48.7 out of 100 (Lower 50% of secondary schools in Canada) and ranks #403 of 766 in Ontario. 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 Hammarskjold High School rank in Ontario?
Hammarskjold High School ranks #403 of 766 secondary schools in Ontario and #403 of 766 nationally on the Success Index (Canada) (2025 data).
How many students attend Hammarskjold High School?
Hammarskjold High School had 960 students in 2025.
Is Hammarskjold High School a elementary school or a secondary school?
Hammarskjold High School is classified as a secondary covering Grades 9-12. It is a public school.
What other schools are near Hammarskjold High School?
There are 10 schools within 15 km of Hammarskjold High School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.