Second, Minute, Hour …
Day
In 1860 she established the world's first school of nursing
Florence Nightingale
Change a letter to get this big winner
a champ
An inlet or cove, or to equip with weapons
arm
Shortly after "imbalance" in the dictionary is this noun denoting one who is stupid & inane
an imbecile
Triangle, Square, Pentagon …
Hexagon
This large country had no universities until 1755 when Empress Elizabeth established one
the Soviet Union (Russia)
Drop a letter to get this dromedary dome
a hump
One of the stretches in a relay race
a leg
It was also called a fool's cap
a dunce cap
High card, pair, two pair, three of a kind …
Straight
After a trip to Germany, Susan Blow established the 1st U.S. public school of this type in St. Louis
a kindergarten
Change 2 letters to get this bell sound
a chime
A card game participant, as in "Sir Nigel, we need a fourth" one "at whist"
hand
Archie Bunker called Edith this, also an ornamental typographical character
dingbat
Raindrops on roses and whiskers on kittens, bright copper kettles and …
… warm woolen mittens
The Supreme Court ruled in 1954 that this practice violated the 14th Amendment
school segregation
Drop 2 letters to get this sports authority
an ump
10 penny, 16 penny or 20 penny, for example
a nail
Synonyms for this one-word rhyme include lamebrain, dodo, yo-yo & dum-dum
nitwit
Nancy, Barbara, Hillary, Laura …
Michelle (First Ladies from Nancy Reagan to Michelle Obama)
In 1989-90 this Vermont college led the nation in the cost of tuition, room & board
Bennington
Change 2 letters to get this metal fastener
a clamp
To tease, or a primary vein of a leaf
a rib
Lucy was quite fond of deriding Charlie Brown with this 9-letter term for a less-than-intelligent person
blockhead