High school · 25 lessons

Knowing God and the Gospel

Develop a connected understanding of Christian truth. Young people learn how the triune God brings sinners into salvation and new life, exploring grace, faith, justification, adoption and growth in holiness.

Explore the lessons

Explain how the one triune God saves sinners and forms a holy people, following connected biblical arguments and distinguishing related doctrines without separating them.

Unit 1 Lessons 1–6

The holy, merciful and triune God

Exodus; Deuteronomy; Matthew; John; Ezekiel

  1. Lesson 1

    The Lord names his character

    Exodus 34:1–9

    God reveals faithful mercy and uncompromising justice after Israel’s covenant betrayal.

  2. Lesson 2

    The one Lord claims undivided love

    Deuteronomy 6:1–9

    The one Lord calls his rescued people to wholehearted love and continual attention to his words.

  3. Lesson 3

    Father, Son and Spirit at Jesus’ baptism

    Matthew 3:13–17

    The Father approves the Son as the Spirit descends, revealing distinct persons acting in one saving mission.

  4. Lesson 4

    The Son makes the Father known

    John 14:1–14

    Jesus brings his disciples to the Father and reveals him through the Son’s unique person and works.

  5. Lesson 5

    The promised Helper

    John 14:15–31

    The Father sends the Spirit through the Son to remain with and teach Christ’s people.

  6. Lesson 6

    A new heart and God’s Spirit

    Ezekiel 36:16–32

    God restores his profaned name by cleansing his people and giving a new heart and Spirit-enabled obedience.

Unit 2 Lessons 7–11

Universal need and justification by faith

Romans

  1. Lesson 7

    Good news for a world suppressing truth

    Romans 1:16–32

    God’s saving righteousness answers a world that suppresses his revelation and exchanges his glory for idols.

  2. Lesson 8

    Judging others cannot make us innocent

    Romans 2:1–16

    God’s impartial judgement exposes the guilt of those who condemn others while practising evil themselves.

  3. Lesson 9

    Every mouth is stopped

    Romans 3:9–20

    Scripture exposes shared human guilt, and law reveals sin rather than providing a basis for boasting.

  4. Lesson 10

    Accepted by grace through faith

    Romans 3:21–31

    God justifies sinners through Christ by grace received in faith, excluding boasting while upholding justice.

  5. Lesson 11

    Abraham received righteousness by faith

    Romans 4:1–12

    Abraham’s justification demonstrates that acceptance is God’s gift received by faith rather than earned wages or a ritual achievement.

Unit 3 Lessons 12–17

Union with Christ, the Spirit and assurance

Romans

  1. Lesson 12

    Peace with God through Christ

    Romans 5:1–11

    Those justified through faith have peace and hope because Christ died for enemies and reconciles them to God.

  2. Lesson 13

    Adam and the obedient Christ

    Romans 5:12–21

    Paul contrasts Adam’s disobedience and death with Christ’s obedience and life to explain humanity’s need and salvation’s sufficiency.

  3. Lesson 14

    United to Christ in death and life

    Romans 6:1–14

    Union with Christ means grace cannot justify continuing under sin’s rule; believers are called to live from his victory.

  4. Lesson 15

    The good law cannot rescue from sin

    Romans 7:7–25

    God’s good law exposes sin’s power and the need for rescue through Jesus Christ rather than self-reformation.

  5. Lesson 16

    The Spirit gives life and adoption

    Romans 8:1–17

    Those in Christ are freed from condemnation, indwelt by the Spirit and welcomed as God’s children with a call to put sin to death.

  6. Lesson 17

    Nothing can sever Christ’s saving love

    Romans 8:28–39

    God’s saving purpose and Christ’s intercession ground assurance through suffering, not confidence in painless circumstances.

Unit 4 Lessons 18–23

One gospel and one redeemed people

Galatians; Ephesians

  1. Lesson 18

    One gospel at the shared table

    Galatians 2:11–21

    Peter’s withdrawal contradicts justification through Christ, showing that gospel doctrine governs shared life across ethnic boundaries.

  2. Lesson 19

    Blessing received through faith

    Galatians 3:1–14

    The Spirit and Abraham’s blessing come through faith because Christ redeems from the law’s curse.

  3. Lesson 20

    From slavery to adopted heirs

    Galatians 4:1–7

    God sends his Son to redeem and his Spirit to assure believers of their adopted standing as heirs.

  4. Lesson 21

    The Father’s purpose, the Son’s redemption, the Spirit’s seal

    Ephesians 1:3–14

    God’s saving blessings lead to praise as the Father purposes, the Son redeems and the Spirit seals his people.

  5. Lesson 22

    Made alive by grace for good works

    Ephesians 2:1–10

    God makes spiritually dead sinners alive with Christ by grace, creating them for good works that do not earn salvation.

  6. Lesson 23

    One new people with access to the Father

    Ephesians 2:11–22

    Christ reconciles alienated peoples to God and one another, forming one household and Spirit-indwelt temple.

Unit 5 Lessons 24–25

Grace, good works and persevering faith

Titus; Hebrews; Revelation

  1. Lesson 24

    Saved by mercy and devoted to good work

    Titus 3:1–8

    God saves by mercy through the Spirit’s renewing work and forms people who practise good works graciously.

  2. Lesson 25

    Hold fast together to the faithful Son

    Hebrews 3:1–19; Revelation 21:1–8

    The faithful Son brings His people to freely given life with God, so we hold fast together, receiving His promises and taking His warnings seriously.