| no. | field name | description |
|---|---|---|
| 1 | student_id | the unique identification number of student |
| 2 | student_gender | the gender of student |
| 3 | school_id | the unique identification number of student’s school |
| 4 | class_id | the unique identification number of student’s class |
| no. | field name | description |
|---|---|---|
| 1 | school_id | the unique identification number of student |
| 2 | school_type | the type of school, typically including regular junior secondary school, combined secondary school, nine-year school, and secondary school for minority |
| 3 | dist_to_downtown | the distance from school to the region’s downtown |
| 4 | rate_higher_education | the proportion of the teachers with a bachelor degree or above |
| 5 | rate_master_degree_or_above | the proportion of the teachers with a master degree or above |
| no. | field name | description |
|---|---|---|
| 1 | student_id | the unique identification number of student |
| 2 | subject_abbr | the abbreviation of subject |
| 3 | exam_id | the unique identification number of test |
| 4 | question_id | the unique identification number of question |
| 5 | concept | the concept(s) associated with the question |
| 6 | score | the student’s score on the question |
| 7 | full_score | the full score of the question |
| 8 | time_access | the system access time of the student |
| no. | field name | description |
|---|---|---|
| 1 | student_id | the unique identification number of student |
| 2 | age_father | the age of student’s father |
| 3 | age_mother | the age of student’s mother |
| 4 | edubg _father | father’s education background |
| 5 | edubg _mother | mother’s education background |
| 6 | affiliation_father | the employer’s type typically including public sector, state-owned enterprise, collective enterprise, private enterprise, foreign-funded enterprise, etc. |
| 7 | affiliation_mother | the employer’s type typically including public sector, state-owned enterprise, collective enterprise, private enterprise, foreign-funded enterprise, etc. |
| 8 | family_income | the annual income of the student’s family |
| 9 | is_only_child | whether the student is the only child of the family |
| 10 | live_on_campus | whether the student lives on campus or not |
| 11 | gathering_frequency_father | how often the student gathering with his/her father |
| 12 | gathering_frequency_mother | how often the student gathering with his/her mother |
| 13 | family_traveling_times | how many times the student went traveling with the family last year |
| no. | field name | description |
|---|---|---|
| 1 | student_id | the unique identification number of student |
| 2 | psy_score | the student’s cognitive intelligence score |
