Grapeland Elementary (Data source)
Source data for Grapeland 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 | 1981574 | 2481 | - | 2436 | = | 45 | * | (112 | / | 370) | = | 13.62162159 | ||
| 4 | 1981575 | 2523 | - | 2485 | = | 38 | * | (134 | / | 370) | = | 13.76216216 | ||
| 5 | 1981578 | 2527 | - | 2528 | = | -1 | * | (124 | / | 370) | = | -0.33513514 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Grapeland Elementary | 27 | ||||||||||||
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 | 60962 | 2486 | - | 2436 | = | 50 | * | (118 | / | 370) | = | 15.9459459 | ||
| 4 | 60965 | 2525 | - | 2485 | = | 40 | * | (113 | / | 370) | = | 12.2162162 | ||
| 5 | 60967 | 2545 | - | 2528 | = | 17 | * | (139 | / | 370) | = | 6.38648648 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Grapeland Elementary | 35 | ||||||||||||
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 | 62725 | 2481 | - | 2436 | = | 45 | * | (119 | / | 348) | = | 15.38793099 | ||
| 4 | 62726 | 2519 | - | 2485 | = | 34 | * | (115 | / | 348) | = | 11.23563218 | ||
| 5 | 62729 | 2550 | - | 2528 | = | 22 | * | (114 | / | 348) | = | 7.20689653 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Grapeland Elementary | 34 | ||||||||||||
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 | 62804 | 2478 | - | 2436 | = | 42 | * | (105 | / | 334) | = | 13.20359279 | ||
| 4 | 62807 | 2530 | - | 2485 | = | 45 | * | (119 | / | 334) | = | 16.03293413 | ||
| 5 | 62808 | 2556 | - | 2528 | = | 28 | * | (110 | / | 334) | = | 9.22155688 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Grapeland Elementary | 38 | ||||||||||||
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 | 63073 | 2499 | - | 2436 | = | 63 | * | (108 | / | 317) | = | 21.46372238 | ||
| 4 | 63074 | 2532 | - | 2485 | = | 47 | * | (99 | / | 317) | = | 14.67823343 | ||
| 5 | 63075 | 2575 | - | 2528 | = | 47 | * | (110 | / | 317) | = | 16.30914824 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Grapeland Elementary | 52 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 27 | 35 | 34 | 38 | 52 | 186.0 | 37.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 64.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 10.2
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 | 29% | 31% | 29% | 38% | 36% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Etiwanda Elementary school district | County of San Bernardino
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.
Grapeland Elementary math proficiency
Zero+ meets standard.
23% less $meal
27% less $meal
25% less $meal
35% less $meal
33% 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.