Christmas School

Christmas School is a location on the top left of the map, on the other side of the broken bridge.

Angel

 * Left of the clock face
 * Upper left corner of scene on top of column
 * Upper right, left to the stairs, on the wall, drawn in white
 * Sitting on top of the astrolabe
 * Right side of the clock cabinet, next to the staircase

Apple

 * On the middle table
 * On the right table, left of the floating gifts
 * Top near the timer bar, in garland, between flags.

Bells

 * Hanging from garland, top left side of screen
 * Left side of the left chair (hanging)
 * On the handrail of stairs on the right

Candy Cane

 * Inside the curtain on the right
 * On top of the rod of the second pennant flag to the right
 * In the sack of toys
 * On the blue tipped staff in under main clock
 * Left of the left hooded statue, hidden in the garland
 * Laying against the right chair

Chalice

 * In the bookshelf, middle shelf
 * On top of main clock
 * On the left side of the scene on top of the garland
 * On the middle table

Christmas Stocking

 * On the side of the front chair
 * Left side of Christmas tree, near the top
 * Inside the bookshelf on the left
 * On lower stair railing, right side of screen
 * On top spire of astrolabe, on the left

Cookie
(Gingerbread man)
 * On the back of the right chair
 * On the bookshelf, top shelf
 * On the right arm of the left chair
 * On books, far right
 * In the Christmas tree

Compass

 * Just left of the right-side chair
 * Right side of the astrolabe, lower left corner
 * As one of the gears on the shelf with machinery, centre right

Crown

 * On side of front right table, brown
 * On top of the astrolabe in the lower left corner
 * Above main clock face carved into wood
 * Head of statue, right pillar
 * In the stone arch to the left of the Christmas tree

Dog

 * On top of the astrolabe (lower left corner)
 * On the astrolabe in the lower left corner (white)
 * On the balcony, top left corner
 * On the staircase, top right corner
 * On the cupboard with the magic wands

Elf

 * In the left chair (clad in light blue)
 * On the armrest of the right chair (clad in green-blue)
 * In the tree, almost at the top (clad in green, looking at the camera)
 * On middle staff to the right (clad in grey)
 * On telescope (clad in green)
 * In the middle of stairs (clad in green)

Envelope

 * On the right chair seat
 * On the middle table
 * Top shelf of bookcase
 * Above clock on the wall, laying sideways (hard to see)
 * Far upper left corner, on top of column next to arch

Ghost

 * Right of the tree, fairly high
 * In the doorway between to the right of the Christmas tree
 * In front of the right chair
 * Beside front left leg of the table
 * In front of the bookcase to the right

Gingerbread House

 * On the left chair, carved on the front of the right arm
 * In the seat of the left chair
 * on the ledge in the upper right corner of scene

Horseshoe

 * On the column under the left hooded statue
 * Over the arch of the right window
 * On the side of the scale, front table

Hourglass

 * On the floor, left of the foreground chair
 * On the armrest of the left chair
 * Left of the top part Christmas tree
 * Top of staircase, laying on its side
 * Center foreground, hidden behind the compass
 * Front edge of the astrolabe

Infinity Symbol

 * On the top back of the left chair

Inkwell

 * On the table, just front-right of the protruding metal arches
 * In front of the floating gifts
 * On the top moulding, left of the statue in the middle
 * On the bookcase far right, middle shelf next to suit of armor

Lightning

 * Back of left chair
 * Inside the wall of the bookshelf to the right, second shelf
 * Top left on the Christmas tree
 * On side of the corner table to the right
 * Under the archway, to the left top of Christmas tree

Magnifying Glass

 * Above the chalkboard in the garland, sticking out
 * On one of the clock wheel faces
 * On the floor in front of the Santa sack
 * In the window, left of the right chair

Marshmallow

 * In the pages of the book on upper right of screen
 * On the table, in the very bottom right corner of screen
 * Above the second pennant flag at top
 * On the chair arm, of the chair to the left of the main table
 * On the Santa sack, lower middle foreground
 * On the first staff that's under the clock to the right of the screen

Mitten

 * On the side of the front table
 * In the Christmas tree
 * On lower shelf of background bookcase
 * Under the blackboard, behind the legs of telescope
 * Upper left, partially hidden in the garland, next to the left column

Mulled Wine

 * Glass in front of the floating gifts, table on the right
 * In a tall glass, left edge of big table
 * Middle shelf in the back bookcase (faded into the background)
 * Up by the top of the left-most pillar

Musical Note

 * On the left chair, under the left crystal
 * Sideways in the gear panel under the clock
 * At center top of chalkboard in equations (hard to see)

Moon

 * On the Christmas tree, left side, near the top
 * On the clock face above the staffs (crescent)
 * On the telescope (crescent)

Necklace

 * Hanging on the side of the far right chair
 * Hanging on the side of the left chair
 * On centre of tree towards the top
 * On pillar to underneath the left statue
 * Upper part of the Christmas tree
 * Haning around the wooden clock

Orange

 * Slice laying in scale on table to right
 * On the Christmas tree, whole
 * Slice inside the clock gears underneath the main clock

Owl

 * Left of the clock face
 * Bottom-middle, wooden statue
 * Upper left, on the ledge above the garland
 * Far left, on top of column (eyes)

Pipe

 * Back of right chair
 * In the sack of gifts, at the front
 * On top of the Astrolabe on centre table
 * On the telescope
 * Above the room entrance, left from Christmas tree
 * Along the chain of the scale, on the table in the bottom right

Post Horn

 * On flag holder just to right of tree
 * On third post from left, top of dome
 * Under astrolabe ring
 * On tree, left
 * Under clock

Reindeer

 * In front of the statue above the doorway to the right
 * A face in the left armrest of the middle chair
 * In front of the book with open pages on the right
 * On the right side of the clock
 * In the upper left corner, atop the column
 * On the floor behind the right chair
 * in front of microscope, left

Scissors

 * On front table, right foreground
 * On the side of the telescope, left
 * At the top of the column between the tree and the clock
 * Near the top of the Christmas tree (open)
 * Upper right, bookshelf, against the side of the middle shelf (open)

Snowman

 * Face in the back of the middle chair
 * On Christmas tree
 * On astrolabe
 * On the lower part of the staircase (large)
 * On upper right balcony (large)

Sparkler

 * Sticking out of book with open pages
 * Top of the Christmas tree
 * Sticking out of the middle of the table that is in the middle table
 * On archway, sticking out, on the left side beside the chalkboard.

Spectacles

 * On the back of the chair next to the clock cabinet
 * On the right-side column, in the second ring below the hooded figure

Squirrel

 * In the Christmas tree
 * Sitting on the large astrolabe's metal ring, left side of screen
 * Sitting on the left edge of the big table
 * On the right side of the mantle

Train

 * On the side of the corner table (where the floating presents and stack of books are)
 * In toy bag, center foreground
 * Under the chair on the left side

Unicorn

 * Arm of left chair closest to table
 * Near upper right of Christmas Tree
 * Upper left of scene on ledge
 * Inside the front shelf of the bookcase on the right (Brown)
 * Carved on the side of the middle table

Snowflake Keys
As before, these items can be anywhere and can be quite hard to notice. The amount of keys to be found in the location is listed in the bar that shows your rewards, in (Keys Found/All Keys) format. Confirmed locations include:
 * On the support beam below the seat of the left chair (brown)
 * Just left of the floating gifts, on the vertical part of the chair (brown)
 * Right of the floating gifts on the stair railing (green)
 * In the woodwork below the clockface
 * In the center of the clock
 * Left side of the horizontal bar of the right chair
 * Top shelf of bookcase
 * Below the big table's front edge
 * At least two places on the sides on the front table
 * At the end of the flagpole second from left
 * Above the flagpole right of the tree
 * On the lowest staff between two chairs
 * In the right- or left-most flag hanging from the ceiling
 * In the doorway's arch
 * Upper left corner of blackboard on the left
 * Along the house roof in the window (light blue)
 * In the Christmas tree (lower left - green)
 * In the Christmas tree (higher right)
 * Along the staircase in the right
 * On the top round finial of the large astrolabe (copper color)
 * Under a gem on the astrolabe (gold)
 * On the astrolabe itself top-left blends in with map
 * On the tip of the spear under the clock (gold)
 * Under the end of the staff under the clock (wood color)
 * In the green above the the blackboard
 * Held by the statue above the doorway on the right
 * In the curtains to the right (right top corner)
 * In the staircase on the left, on the dog's head.
 * On the hinge of the telescope tripod on the left (brass color)
 * On the book to the left of the top of Christmas Tree (yellow gem)
 * In the copper half round of the lamp on the table
 * On the front left corner of the lectern
 * In the top of the chair, to the right of the table
 * In the blue lights of the pillars
 * In the backrest of the left chair (red)
 * At the top of the window