Grover Beach Elementary (Data source)
Source data for Grover Beach 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 | 2486191 | 2404 | - | 2436 | = | -32 | * | (79 | / | 257) | = | -9.83657587 | ||
| 4 | 2486194 | 2426 | - | 2485 | = | -59 | * | (54 | / | 257) | = | -12.39688713 | ||
| 5 | 2486195 | 2482 | - | 2528 | = | -46 | * | (72 | / | 257) | = | -12.88715953 | ||
| 6 | 2486198 | 2478 | - | 2552 | = | -74 | * | (52 | / | 257) | = | -14.97276262 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Grover Beach Elementary | -50 | ||||||||||||
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 | 75797 | 2419 | - | 2436 | = | -17 | * | (84 | / | 289) | = | -4.94117646 | ||
| 4 | 75799 | 2423 | - | 2485 | = | -62 | * | (76 | / | 289) | = | -16.30449824 | ||
| 5 | 75801 | 2467 | - | 2528 | = | -61 | * | (59 | / | 289) | = | -12.45328719 | ||
| 6 | 75803 | 2481 | - | 2552 | = | -71 | * | (70 | / | 289) | = | -17.19723177 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Grover Beach Elementary | -51 | ||||||||||||
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 | 77830 | 2411 | - | 2436 | = | -25 | * | (68 | / | 283) | = | -6.00706713 | ||
| 4 | 77832 | 2448 | - | 2485 | = | -37 | * | (82 | / | 283) | = | -10.72084805 | ||
| 5 | 77835 | 2470 | - | 2528 | = | -58 | * | (78 | / | 283) | = | -15.98586569 | ||
| 6 | 77836 | 2460 | - | 2552 | = | -92 | * | (55 | / | 283) | = | -17.87985859 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Grover Beach Elementary | -51 | ||||||||||||
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 | 77991 | 2408 | - | 2436 | = | -28 | * | (55 | / | 280) | = | -5.49999999 | ||
| 4 | 77994 | 2450 | - | 2485 | = | -35 | * | (69 | / | 280) | = | -8.62499999 | ||
| 5 | 77995 | 2486 | - | 2528 | = | -42 | * | (79 | / | 280) | = | -11.84999999 | ||
| 6 | 77998 | 2474 | - | 2552 | = | -78 | * | (77 | / | 280) | = | -21.45 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Grover Beach Elementary | -47 | ||||||||||||
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 | 78524 | 2425 | - | 2436 | = | -11 | * | (64 | / | 256) | = | -2.75 | ||
| 4 | 78525 | 2437 | - | 2485 | = | -48 | * | (45 | / | 256) | = | -8.4375 | ||
| 5 | 78526 | 2501 | - | 2528 | = | -27 | * | (68 | / | 256) | = | -7.171875 | ||
| 6 | 78527 | 2492 | - | 2552 | = | -60 | * | (79 | / | 256) | = | -18.515625 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Grover Beach Elementary | -37 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -50 | -51 | -51 | -47 | -37 | -236.0 | -47.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -32.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -62.2
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 | 76% | 77% | 72% | 73% | 77% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Lucia Mar Unified school district | County of San Luis Obispo
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.
Grover Beach Elementary math proficiency
Zero+ meets standard.
62% less $meal
66% less $meal
59% less $meal
63% less $meal
68% 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.