## Online_Learning

id | Curriculum_Content | Course_Name | Duration | Platform | Rating
--- | --- | --- | --- | --- | ---
1 | Mathematics | Calculus | 1 month | Udemy | 4.6
2 | Computer Science | Web Development | 3 months | Pluralsight | 4.8
3 | Science | Physics | 2 weeks | Khan Academy | 4.7
4 | Language Arts | English Literature | 1 month | Coursera | 4.9
5 | Computer Science | Data Structures & Algorithms | 2 months | edX | 4.5

## Classroom_Teaching

id | Curriculum_Content | Teacher_Name | Subject | Grade | Number_of_Students
--- | --- | --- | --- | --- | ---
1 | Mathematics | Mr. Smith | Algebra | 9th grade | 20
2 | History | Mrs. Johnson | World History | 10th grade | 25
3 | Biology | Ms. Brown | Life Sciences | 11th grade | 30
4 | Geography | Dr. Davis | Human Geography | 12th grade | 15
5 | Art | Ms. Wilson | Visual Art | 10th grade | 22

## Student

id | Name | Age | School_ID
--- | --- | --- | ---
|  |  | (→ Classroom_Teaching.id)
1 | John Doe | 15 | 1
2 | Jane Smith | 16 | 1
3 | Tom Johnson | 15 | 1
4 | Emma Williams | 16 | 1
5 | Michael Brown | 15 | 1

## Teacher

id | Name | Age | School_ID
--- | --- | --- | ---
|  |  | (→ Classroom_Teaching.id)
1 | Mr. Smith | 35 | 1
2 | Mrs. Johnson | 34 | 1
3 | Ms. Brown | 33 | 1
4 | Dr. Davis | 36 | 1
5 | Ms. Wilson | 32 | 1

## Assignment

id | Description | Due_Date | Score | Student_ID
--- | --- | --- | --- | ---
|  |  |  | (→ Student.id)
1 | Homework on Chapters 1-3 | 2022-10-05 23:59:59 | 85 | 1
2 | Project on World War II | 2022-11-15 23:59:59 | 92 | 2
3 | Essay on Climate Change | 2022-12-05 23:59:59 | 88 | 3
4 | Presentation on The Great Depression | 2022-11-30 23:59:59 | 95 | 4
5 | Research Paper on Renaissance Art | 2023-01-15 23:59:59 | 90 | 5