
In
the Gospel of Matthew, Jesus tells us that the Kingdom of Heaven is like a
mustard seed—though it is the smallest of seeds, when it grows, it becomes a
tree where birds can nest. The story of St. Andrew's Sunday school mirrors this
divine truth, beginning with a handful of dedicated teachers and blossoming
into a ministry that nurtures over a thousand young souls.
The
Seed is Planted (Mid-1960s)
Like
a tiny mustard seed carefully placed in fertile soil, the Sunday school
ministry began in the mid-1960s through the faithful hands of the late Charles
Kariithi Muthuma and his wife the late Rahab Huro Kariithi. Their vision to
nurture young faith would grow beyond their wildest dreams. A few years later,
the first sprout emerged when Daniel Wagacha Gichura and Bidan Mbugua joined as
a Sunday school teachers, serving devotedly over the years.
The
early roots of this ministry were strengthened by dedicated teachers who laid
the foundation; Njogu wa Kiiru, Robert Murira, Harrison Mburu, Hottensiah Kibui
Igogo, Nelly Wanjiru Morris, wife to Rev. Dr. Macmillan Kiiru, Sammy Kinyanjui
Mbugua, Wanjiru wa Mbugua, Minneh Njeri Thariki, Nyina wa Wambui wa Walter, Wainanina
wa Warunge and many others.
These
faithful servants gathered children in the main church building early morning
before the Kikuyu service, planting seeds of faith in young hearts.

The
Sapling Grows (1995)
By
1995, under the nurturing leadership of Samuel Githenya, the late lay reader
David Mwangi (Uncle Dave), and Lay reader William Karomo, the ministry had
grown to about 150 children—like a healthy sapling reaching toward the sun.
In
the late 1990s, under Harriet Wanjiku Kahugu's leadership, the ministry
branched out to include younger teachers bringing new vitality. They are Benson
Nguyai, Catherine Karimi and Lucy Mukiria among others.
By
the turn of the millennium, the Sunday school had nearly doubled to 270
children and like a mustard tree providing shelter, the ministry was becoming a
spiritual haven for more young ones.
Growing
Beyond Its Space
Just
as a healthy tree needs room to spread its branches, the growing ministry
required more space. The original church building could no longer contain the
flourishing program. In a beautiful demonstration of faith, the original Sunday
School teachers from the 1960s came together to build a Sunday school
hall—creating new space for the soaring numbers.

Multiple
Branches (2008-2010)
Like
a mature tree developing distinct branches for different birds, the ministry
began to specialize; in 2008, a separate teenage class was established in the
church boardroom and in 2010, the Sunday school hall was partitioned to create
dedicated spaces for small children in one section and pre-teens in another
In
2012, St. Andrew's made history by hosting the first teenage camp in the
parish, with 180 teens attending. Like a tree bearing its first fruits, this
initiative was so successful that:
More teachers joined the ministry numbering about 28 today.

A
Mighty Tree Today
During
the construction of the Mega Sanctuary, like a tree temporarily transplanted,
the children's ministry found temporary shelter at Ndenderu Primary School. But
God's faithfulness prevailed— the church leadership prioritized the children's
halls and a teens’ chapel as the first facilities to be completed and
commissioned in the new sanctuary by the Sixth Mt. Kenya South, Bishop Charles
M. Muturi on 19 February 2023.
Today,
what began as a small seed planted by the Muthumas has grown into a mighty tree
that provides spiritual shelter to around 1,000 children every Sunday. This
remarkable growth echoes Jesus's words about the mustard seed, showing how God
can take our smallest offerings and multiply them beyond measure.
May this ministry continue to grow, providing spiritual shelter and nurture to generations of children to come, just as Jesus promised that the tiny mustard seed would become a mighty tree where many find rest and refuge.
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