Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
a core class
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a core class" is correct and usable in written English.
It can be used to refer to a fundamental or essential course in an academic program or curriculum. Example: "In order to graduate, students must complete a core class in mathematics."
✓ Grammatically correct
Academia
News & Media
Science
Wiki
Alternative expressions(7)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
13 human-written examples
An American studies class, a core class taught by both an English and social studies teacher, engaged in a complex discussion about pre-Civil War Southern life.
News & Media
In this paper, we prove decidability of security (with respect to the standard Dolev Yao intruder) for a core class of recursive protocols and undecidability for several extensions.
Science
Students who are absent from a core class should fill out the Core Absence Form, located on each Core Course homepage on Canvas.
Academia
In the spring, she teaches 3.044 (Materials Processing), a core class for juniors covering topics such as heat transfer and fluid mechanics from an engineering perspective.
Hybrid HTML 5 and H.264 stream virtualization will combine to create a core class of cross-platform media apps.
News & Media
"My senior spring I took Econometrics, a core class in the Economics major that applies statistical and economic methods to a business context.
Academia
Human-verified similar examples from authoritative sources
Similar Expressions
47 human-written examples
You may also take classes that fulfill your core requirements, such as a foreign language, a Global Core class, or a class that fulfills the science requirement.
Academia
At Irvine, I taught Introduction to Software Engineering, a sophomore core class, and Software Processes, a graduate seminar.
Academia
Thus, we are asking students that have had negative experiences with school to take a rigorous core class with college preparatory objectives for an elective credit -- a credit that they should be able to use for art, theater, dance, P.E. or any other class of interest to them.
News & Media
For a PhD student, a typical coursework semester might involve three courses: a required core class and two elective courses.
Wiki
And now, two ethics courses the first is a basic core class; the second can be geared toward students' interests–are required for graduation.
News & Media
Expert writing Tips
Best practice
When referring to "a core class", ensure the context clearly indicates the academic program or curriculum to which it belongs for better understanding.
Common error
Avoid using "a core class" to describe elective or specialized courses. A core class is a mandatory component of a curriculum, not a matter of student choice.
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a core class" functions as a noun phrase identifying a mandatory or fundamental course within a curriculum. Ludwig AI confirms its correctness and usability. It's typically part of a larger sentence structure describing academic requirements or course offerings.
Frequent in
Academia
40%
News & Media
25%
Science
15%
Less common in
Wiki
10%
Formal & Business
5%
Reference
5%
Ludwig's WRAP-UP
In summary, the phrase "a core class" is a common and grammatically sound term primarily used within academic settings to denote a mandatory course. Ludwig AI validates its use, highlighting its function in conveying essential curriculum information. While frequently found in academia, it also appears in news media and scientific contexts. When writing, remember that "a core class" is not optional but a key component of a program. Consider alternatives such as "required course" or "essential course" to add nuance to your description.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
required course
Focuses on the mandatory aspect of the class.
essential course
Emphasizes the importance of the class.
fundamental course
Highlights the foundational nature of the class.
basic course
Stresses the introductory level of the class.
introductory course
Indicates the class serves as an introduction to a subject.
compulsory course
Similar to "required course", emphasizing obligation.
mandatory class
Directly indicates that the class is not optional.
central class
Highlights the class's importance to a specific area of study.
cornerstone class
Suggests the class is a vital foundation for further learning.
key course
Indicates that the class is a critical component of the curriculum.
FAQs
What does "a core class" mean in an academic context?
In academics, "a core class" refers to a required course that is essential for completing a program or degree. It provides foundational knowledge necessary for further studies in the field.
What can I say instead of "a core class"?
You can use alternatives like "required course", "essential course", or "fundamental course" depending on the specific nuance you want to convey.
Is it correct to refer to an elective course as "a core class"?
No, it is not correct. A core class is mandatory, while an elective is a course students can choose from a range of options.
How important are core classes compared to other courses?
Core classes are generally considered very important because they provide the foundational knowledge and skills upon which more advanced learning is built. They are prerequisites for many subsequent courses.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested