imperial_examination_determine_exam_outcome_effect

imperial_examination_determine_exam_outcome_effect = {
	#Get the people in the last place and fail them
	scope:activity = {
		#Account for the cheating AI entrants
		every_guest_subset = {
			name = entrants
			limit = { has_variable = been_caught_cheating }
			set_variable = failee_to_be_removed
		}
		#Otherwise run through the list and trim it from the bottom up
		if = {
			limit = { imperial_examination_failee_quota_value > 0 }
			ordered_guest_subset = {
				name = entrants
				limit = {
					NOT = { has_variable = failee_to_be_removed }
				}
				order_by = {
					value = temporary_exam_score_value
					multiply = -1
				}
				max = imperial_examination_failee_quota_value
				check_range_bounds = no
				set_variable = failee_to_be_removed
			}
		}
		# Check how many successful entrants we have with a martial education.
		if = {
			limit = {
				any_guest_subset = {
					name = entrants
					count < {
						value = 20
						if = {
							limit = {
								scope:activity = {
									has_activity_type = activity_imperial_examination
								}
							}
							add = 20
						}
					}
					has_trait = education_martial
					NOT = { has_variable = failee_to_be_removed }
				}
			}
			# If we don't have enough, let some of the failees pass.
			ordered_guest_subset = {
				name = entrants
				check_range_bounds = no
				limit = {
					has_trait = education_martial
					has_variable = failee_to_be_removed
					is_ai = yes
				}
				order_by = {
					value = temporary_exam_score_value
				}
				max = {
					if = {
						limit = {
							scope:activity = {
								has_activity_type = activity_imperial_examination
							}
						}
						value = 20
					}
					else = {
						value = 3
					}
				}
				remove_variable = failee_to_be_removed
				change_merit = { 100 150 }
			}
		}
	}
}

As written in game/common/scripted_effects/tgp_imperial_examination_scripted_effects.txt.