예비중~중1
[2023 개정] 1316 Reading Level 1
lexile : 500L-700L
중1-중2
[2023 개정] 1316 Reading Level 2
lexile : 600L-800L
중2-중3
[2023 개정] 1316 Reading Level 3
lexile : 700L-900L
초6~예비중
Junior Reading Expert Level 1 [2022 개정]
lexile : 650L-750L
중1~2
Junior Reading Expert Level 2 [2022 개정]
lexile : 700L-800L
중2~3
Junior Reading Expert Level 3 [2022 개정]
lexile : 750L-850L
중3
Junior Reading Expert Level 4 [2022 개정]
lexile : 800L-900L
중1-2
Reading Inside Level 1 [2022 개정]
중 2~3
Reading Inside Level 2 [2022 개정]
lexile : 800L-1000L
Reading Inside Level 3 [2022 개정]
lexile : 900L-1000L
중1
Reading Inside Starter [2022 개정]
중등 최상위권 ~ 수능이상
RADIX READING for the TOEFL iBT_Black Label 1
RADIX READING for the TOEFL iBT_Black Label 2
RADIX READING for the TOEFL iBT_Blue Label 1
RADIX READING for the TOEFL iBT_Blue Label 2