Grayson Elementary (Data source)
Source data for Grayson 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 | 2950373 | 2374 | - | 2436 | = | -62 | * | (39 | / | 123) | = | -19.65853654 | ||
| 4 | 2950376 | 2415 | - | 2485 | = | -70 | * | (49 | / | 123) | = | -27.88617881 | ||
| 5 | 2950377 | 2430 | - | 2528 | = | -98 | * | (35 | / | 123) | = | -27.88617881 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Grayson Elementary | -75 | ||||||||||||
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 | 90306 | 2397 | - | 2436 | = | -39 | * | (33 | / | 122) | = | -10.54918032 | ||
| 4 | 90308 | 2402 | - | 2485 | = | -83 | * | (40 | / | 122) | = | -27.21311472 | ||
| 5 | 90309 | 2430 | - | 2528 | = | -98 | * | (49 | / | 122) | = | -39.36065571 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Grayson Elementary | -77 | ||||||||||||
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 | 92958 | 2410 | - | 2436 | = | -26 | * | (48 | / | 116) | = | -10.75862068 | ||
| 4 | 92959 | 2421 | - | 2485 | = | -64 | * | (25 | / | 116) | = | -13.79310342 | ||
| 5 | 92961 | 2431 | - | 2528 | = | -97 | * | (43 | / | 116) | = | -35.95689654 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Grayson Elementary | -61 | ||||||||||||
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 | 93161 | 2431 | - | 2436 | = | -5 | * | (31 | / | 108) | = | -1.43518519 | ||
| 4 | 93162 | 2443 | - | 2485 | = | -42 | * | (49 | / | 108) | = | -19.05555553 | ||
| 5 | 93165 | 2441 | - | 2528 | = | -87 | * | (28 | / | 108) | = | -22.55555553 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Grayson Elementary | -43 | ||||||||||||
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 | 93809 | 2412 | - | 2436 | = | -24 | * | (41 | / | 118) | = | -8.33898305 | ||
| 4 | 93810 | 2462 | - | 2485 | = | -23 | * | (30 | / | 118) | = | -5.84745762 | ||
| 5 | 93811 | 2473 | - | 2528 | = | -55 | * | (47 | / | 118) | = | -21.90677962 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Grayson Elementary | -36 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -75 | -77 | -61 | -43 | -36 | -292.0 | -58.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -4.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -112.4
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 | 92% | 92% | 96% | 95% | 94% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Patterson Joint Unified school district | County of Stanislaus
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Grayson Elementary math proficiency
Zero+ meets standard.
79% less $meal
86% less $meal
87% less $meal
90% less $meal
86% 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 Patterson Joint Unified (5)
| Apricot Valley Elementary | Grayson Elementary | Las Palmas Elementary |
| Northmead Elementary | Walnut Grove Elementary |