Avalon Elementary (Data source)
Source data for Avalon 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 | 1785051 | 2409 | - | 2436 | = | -27 | * | (130 | / | 384) | = | -9.14062498 | ||
| 4 | 1785052 | 2439 | - | 2485 | = | -46 | * | (125 | / | 384) | = | -14.97395832 | ||
| 5 | 1785055 | 2464 | - | 2528 | = | -64 | * | (129 | / | 384) | = | -21.5 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Avalon Elementary | -46 | ||||||||||||
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 | 55347 | 2425 | - | 2436 | = | -11 | * | (139 | / | 390) | = | -3.92051282 | ||
| 4 | 55349 | 2459 | - | 2485 | = | -26 | * | (130 | / | 390) | = | -8.66666666 | ||
| 5 | 55351 | 2480 | - | 2528 | = | -48 | * | (121 | / | 390) | = | -14.89230768 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Avalon Elementary | -27 | ||||||||||||
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 | 56951 | 2461 | - | 2436 | = | 25 | * | (107 | / | 362) | = | 7.38950275 | ||
| 4 | 56954 | 2478 | - | 2485 | = | -7 | * | (134 | / | 362) | = | -2.59116022 | ||
| 5 | 56956 | 2491 | - | 2528 | = | -37 | * | (121 | / | 362) | = | -12.36740329 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Avalon Elementary | -8 | ||||||||||||
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 | 57059 | 2455 | - | 2436 | = | 19 | * | (115 | / | 361) | = | 6.05263156 | ||
| 4 | 57060 | 2477 | - | 2485 | = | -8 | * | (108 | / | 361) | = | -2.3933518 | ||
| 5 | 57063 | 2495 | - | 2528 | = | -33 | * | (138 | / | 361) | = | -12.61495844 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Avalon Elementary | -9 | ||||||||||||
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 | 57311 | 2459 | - | 2436 | = | 23 | * | (99 | / | 317) | = | 7.1829653 | ||
| 4 | 57312 | 2494 | - | 2485 | = | 9 | * | (107 | / | 317) | = | 3.03785489 | ||
| 5 | 57313 | 2509 | - | 2528 | = | -19 | * | (111 | / | 317) | = | -6.65299683 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Avalon Elementary | 4 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -46 | -27 | -8 | -9 | 4 | -86.0 | -17.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 39.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -74.2
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 | 75% | 72% | 72% | 77% | 77% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Val Verde Unified school district | County of Riverside
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.
Avalon Elementary math proficiency
Zero+ meets standard.
52% less $meal
56% less $meal
55% less $meal
62% less $meal
62% 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.