Sybil N. Crookham Elementary (Data source)
Source data for Sybil N. Crookham Elementary
2015
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
3 | 1320172 | 2440 | - | 2436 | = | 4 | * | (68 | / | 196) | = | 1.3877551 | ||
4 | 1320173 | 2437 | - | 2485 | = | -48 | * | (68 | / | 196) | = | -16.6530612 | ||
5 | 1320176 | 2466 | - | 2528 | = | -62 | * | (60 | / | 196) | = | -18.97959178 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Sybil N. Crookham Elementary | -34 |
2016
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
3 | 41429 | 2406 | - | 2436 | = | -30 | * | (70 | / | 209) | = | -10.04784687 | ||
4 | 41430 | 2451 | - | 2485 | = | -34 | * | (69 | / | 209) | = | -11.22488036 | ||
5 | 41433 | 2457 | - | 2528 | = | -71 | * | (70 | / | 209) | = | -23.77990426 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Sybil N. Crookham Elementary | -45 |
2017
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
3 | 42445 | 2405 | - | 2436 | = | -31 | * | (68 | / | 197) | = | -10.70050758 | ||
4 | 42447 | 2466 | - | 2485 | = | -19 | * | (59 | / | 197) | = | -5.69035532 | ||
5 | 42450 | 2482 | - | 2528 | = | -46 | * | (70 | / | 197) | = | -16.34517765 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Sybil N. Crookham Elementary | -33 |
2018
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
3 | 42459 | 2411 | - | 2436 | = | -25 | * | (49 | / | 165) | = | -7.4242424 | ||
4 | 42460 | 2434 | - | 2485 | = | -51 | * | (61 | / | 165) | = | -18.85454542 | ||
5 | 42463 | 2505 | - | 2528 | = | -23 | * | (55 | / | 165) | = | -7.66666666 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Sybil N. Crookham Elementary | -34 |
2019
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
3 | 42598 | 2430 | - | 2436 | = | -6 | * | (71 | / | 182) | = | -2.34065934 | ||
4 | 42599 | 2447 | - | 2485 | = | -38 | * | (46 | / | 182) | = | -9.60439558 | ||
5 | 42600 | 2484 | - | 2528 | = | -44 | * | (65 | / | 182) | = | -15.71428571 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Sybil N. Crookham Elementary | -28 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-34 | -45 | -33 | -34 | -28 | -174.0 | -34.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -16.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -52.8
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
2015 | 2016 | 2017 | 2018 | 2019 | |
---|---|---|---|---|---|
Percent | 89% | 92% | 94% | 96% | 97% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Winton school district County of Merced
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Sybil N. Crookham Elementary math proficiency
Zero+ meets standard.

79% less $meal

84% less $meal

88% less $meal

92% less $meal

91% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.
Elementary School (Public) schools in Winton (3)
Frank Sparkes Elementary | Sybil N. Crookham Elementary | Winfield Elementary |