Overview | Summer School

Fast & Flexible High School Credits

With Our Ministry Accredited Courses. Its Never Too Late to Enroll.
Summer School Online

of our students

find OES teachers to be responsive and supportive


have successfully earned credits with us

of students

achieve a course average of 85% or higher

Why Take a Summer School Course with OES?

Need to earn an Ontario high school credit this summer? Students enrol with us to upgrade their marks, meet university or college admission requirements, retake failed courses, or work ahead for the following school year.

Summer is a busy time, that’s why you can register for OES courses anytime — the fast, convenient way to complete a high school credit.

Upgrade a Mark

Many summer students register with OES to upgrade a mark by repeating a course which you can complete in as quickly as 4 weeks. We have listed our most popular upgrade courses under the courses tab at the top of the page. However, any course can be upgraded for a better mark and it will be added to your existing transcript. You can learn more about eligibility for these courses here.

Retake a Failed Course

Some students enrol with OES to earn an OSSD credit course in which they were previously unsuccessful. Whether you need an elective or compulsory credit we can help!

Work Ahead

Students also take summer courses with OES to free up their timetable for the upcoming school year, to avoid timetable conflicts, or to earn a credit not available anywhere else.

Reach Ahead

Grade 8 students, or students who have recently completed Grade 8, sometimes choose to earn OSSD credits with OES before they begin secondary school. Be sure to review the reach ahead program eligibility and consultation requirements before registering.

Ready, Set, Learn. Get Started Today!

Useful Articles for Your High School Journey

How to Stay Motivated During the Final Stretch of the School Year
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How to Stay Motivated During the Final Stretch of the School Year

Summer is so close you can practically taste the ice cream dripping down your wrist. But before

by OES
What is Pre-University in Canada & How Does it Work?
16 Apr

What is Pre-University in Canada & How Does it Work?

It’s sort of a cliched rite of passage to warn outgoing high school students about how challenging

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The Benefits of Online Learning vs Classroom Learning: What’s Right for You
20 Mar

The Benefits of Online Learning vs Classroom Learning: What’s Right for You

As Ontario’s leading academy for online high school courses, we at OES tend to naturally sing the

by OES

Read what our students have to say

  • As this program offers, it's a way for anyone to obtain credits through an method with 24/7 assistance with an on-demand, unlimited and fully online tutoring service. Fast and accessible as you work at your own pace to fit your schedule.

    I was given a yearly time period to complete a course and finished within 3-4 months. Your assigned teacher isn't obligated to delegate you, but just like any field of learning. There're expectations and deadlines.

    Raymond Chan Avatar
    Raymond Chan

    My son recently completed Challenge and Change, a grade 12 social science course from overseas. His experience from registration, through to course work, exam competition and facilitating his grade to his transcript was exceptional, responsive, and professional. His teacher Mara was more engaged than many of his previous in-person teachers. Thank you!!!

    Jody Young Avatar
    Jody Young

    This was a very great experience and I really enjoyed. It had comfortable timeline, great teachers and they helped me a lot to understand and learn.

    VIRA VATCHA Avatar

    Excellent program and support from my son's kind teacher and other great staff. Love the tutoring service available as well. Fun novel and projects!

    clay9560 clay9560 Avatar
    clay9560 clay9560
  • I had a great experience, my teacher was quick to respond and considerate of my needs as a student, and I'm very glad I decided to take courses from this program. highly recommend to anyone that's looking to get a few extra credits

    Maia Kalev Avatar
    Maia Kalev

    OES is a highly professional online post secondary school which enables anyone to be able to earn high school credits or even upgrade high school marks. The administration, staff and teachers are all extremely helpful and supportive. I would absolutely recommend them to anyone!!!
    Thank you OES!!! 😄

    Linda Sirota Avatar
    Linda Sirota

    Amazing school experience where the teachers are there to help facilitate learning and excellence, not to put their students down, like many teachers do. I re-took grade 11 university functions and received a much better education and final grade than my experience in public schooling in Southern Ontario. I would highly recommend this if you are organized and can meet your own deadlines.

    Derek Ford Avatar
    Derek Ford

    One of the best school and experience I had.
    Easy and comfortable timeline, professional teachers and principal, they did help me a lot to pass everything and explaining everything nice and easy to me regarding my deadline. They do have a 24 hour tutors that can help you to explain at any time I like it I don’t know what to say more but it’s one of the best school.

    Thank you

    AL obaidi Avatar
    AL obaidi
  • Ontario eSecondary School is by far the best online learning academy in Ontario. My teacher was very great as he was easily accessible, had very fast response times, and was extremely friendly. He even had the chance to do our live meeting on Thanksgiving Monday! The course content for the class I took was great, and will be very beneficial for post-secondary learning. It was amazing that they provided free online tutoring for students, that feature really stood out to me when selecting OES for this course. You will not regret taking a course here!

    Julia Mesburis Avatar
    Julia Mesburis

    taking a Calculus course with this school was really easy and the support team and the teacher was there for me all the time. the teacher also was very helpfull in explaining idea.

    Saad Almekhlef Avatar
    Saad Almekhlef

    Super fast responses, easy registration. It was a pleasure interacting with them!

    Meghan Ignatesc Avatar
    Meghan Ignatesc

    It was a great experience! I took Economics, the teacher was super helpful and was always ready to help. The course material was great! Overall it was a good learning time and I did very well in the course as well!

    Gurreet Brar Avatar
    Gurreet Brar
  • I took a high school course with his institution in order to qualify for the college program I wanted to take.

    The administrative staff and instructors were all very congenial and swift in their responses. Access to tutoring is phenomenal and I have nothing but praise for my experience with this educational provider.

    Thank you OES!

    Lacey Williams Avatar
    Lacey Williams

    The teachers are really great and understanding. The content is explained very carefully and the courses are flexible. 5 stars!

    Sagar Raithatha Avatar
    Sagar Raithatha

    My daughter needed to upgrade her math mark and the school's program was excellent and her teacher Mr. Haque was amazing as well providing guidance where necessary. Overall a great experience and would use them again if needed!

    Sean Neil Avatar
    Sean Neil

    I completed a Grade 11 University Physics class with OES which was required for a college program that I was looking to pursue.

    My experience was fantastic; the opportunity that OES gives you to learn at your own pace is really great! The tools material provided to assist you in learning are more than adequate. They provide a free online tutoring service which is extremely helpful in a pinch!

    Everyone, including my teacher and the administration, was so helpful especially Mara (Program Admin)! She was always available to assist me with any questions/requests I had. Thank you OES!

    R_1996 Avatar

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