William Garrison Elementary (Data source)
Source data for William Garrison 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 | 2939934 | 2380 | - | 2436 | = | -56 | * | (45 | / | 144) | = | -17.5 | ||
4 | 2939935 | 2402 | - | 2485 | = | -83 | * | (34 | / | 144) | = | -19.59722221 | ||
5 | 2939938 | 2403 | - | 2528 | = | -125 | * | (31 | / | 144) | = | -26.90972213 | ||
6 | 2939939 | 2448 | - | 2552 | = | -104 | * | (34 | / | 144) | = | -24.55555554 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for William Garrison Elementary | -89 |
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 | 90006 | 2374 | - | 2436 | = | -62 | * | (48 | / | 148) | = | -20.10810809 | ||
4 | 90008 | 2405 | - | 2485 | = | -80 | * | (34 | / | 148) | = | -18.37837832 | ||
5 | 90010 | 2453 | - | 2528 | = | -75 | * | (32 | / | 148) | = | -16.2162162 | ||
6 | 90012 | 2482 | - | 2552 | = | -70 | * | (34 | / | 148) | = | -16.08108103 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for William Garrison Elementary | -71 |
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 | 92642 | 2353 | - | 2436 | = | -83 | * | (47 | / | 164) | = | -23.7865853 | ||
4 | 92643 | 2418 | - | 2485 | = | -67 | * | (49 | / | 164) | = | -20.01829263 | ||
5 | 92646 | 2405 | - | 2528 | = | -123 | * | (34 | / | 164) | = | -25.49999998 | ||
6 | 92647 | 2468 | - | 2552 | = | -84 | * | (34 | / | 164) | = | -17.41463413 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for William Garrison Elementary | -87 |
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 | 92841 | 2378 | - | 2436 | = | -58 | * | (40 | / | 153) | = | -15.16339866 | ||
4 | 92842 | 2411 | - | 2485 | = | -74 | * | (46 | / | 153) | = | -22.24836596 | ||
5 | 92845 | 2418 | - | 2528 | = | -110 | * | (34 | / | 153) | = | -24.44444442 | ||
6 | 92846 | 2415 | - | 2552 | = | -137 | * | (33 | / | 153) | = | -29.54901954 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for William Garrison Elementary | -91 |
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 | 93500 | 2367 | - | 2436 | = | -69 | * | (45 | / | 145) | = | -21.41379306 | ||
4 | 93501 | 2437 | - | 2485 | = | -48 | * | (33 | / | 145) | = | -10.92413789 | ||
5 | 93502 | 2393 | - | 2528 | = | -135 | * | (34 | / | 145) | = | -31.65517233 | ||
6 | 93503 | 2385 | - | 2552 | = | -167 | * | (33 | / | 145) | = | -38.0068964 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for William Garrison Elementary | -102 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-89 | -71 | -87 | -91 | -102 | -440.0 | -88.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -55.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -121.0
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 | 93% | 92% | 94% | 96% | 92% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Modesto City Elementary school district County of Stanislaus
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.
William Garrison Elementary math proficiency
Zero+ meets standard.
87% less $meal
88% less $meal
88% less $meal
93% less $meal
87% 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.