Mira Vista Elementary (Data source)
Source data for Mira Vista 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 | 237133 | 2387 | - | 2436 | = | -49 | * | (54 | / | 373) | = | -7.09383373 | ||
4 | 237136 | 2480 | - | 2485 | = | -5 | * | (59 | / | 373) | = | -0.79088472 | ||
5 | 237137 | 2444 | - | 2528 | = | -84 | * | (71 | / | 373) | = | -15.9892761 | ||
6 | 237140 | 2472 | - | 2552 | = | -80 | * | (67 | / | 373) | = | -14.36997312 | ||
7 | 237141 | 2498 | - | 2567 | = | -69 | * | (61 | / | 373) | = | -11.28418224 | ||
8 | 237144 | 2518 | - | 2586 | = | -68 | * | (61 | / | 373) | = | -11.12064336 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Mira Vista Elementary | -61 |
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 | 6954 | 2400 | - | 2436 | = | -36 | * | (58 | / | 384) | = | -5.43749998 | ||
4 | 6955 | 2447 | - | 2485 | = | -38 | * | (63 | / | 384) | = | -6.234375 | ||
5 | 6958 | 2479 | - | 2528 | = | -49 | * | (65 | / | 384) | = | -8.29427082 | ||
6 | 6959 | 2485 | - | 2552 | = | -67 | * | (69 | / | 384) | = | -12.0390625 | ||
7 | 6961 | 2519 | - | 2567 | = | -48 | * | (65 | / | 384) | = | -8.12499998 | ||
8 | 6963 | 2514 | - | 2586 | = | -72 | * | (64 | / | 384) | = | -11.99999995 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Mira Vista Elementary | -52 |
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 | 7165 | 2415 | - | 2436 | = | -21 | * | (55 | / | 380) | = | -3.03947368 | ||
4 | 7168 | 2447 | - | 2485 | = | -38 | * | (70 | / | 380) | = | -6.99999999 | ||
5 | 7170 | 2443 | - | 2528 | = | -85 | * | (69 | / | 380) | = | -15.4342105 | ||
6 | 7171 | 2508 | - | 2552 | = | -44 | * | (69 | / | 380) | = | -7.98947367 | ||
7 | 7173 | 2518 | - | 2567 | = | -49 | * | (59 | / | 380) | = | -7.60789469 | ||
8 | 7175 | 2551 | - | 2586 | = | -35 | * | (58 | / | 380) | = | -5.34210523 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Mira Vista Elementary | -46 |
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 | 7184 | 2395 | - | 2436 | = | -41 | * | (52 | / | 356) | = | -5.98876402 | ||
4 | 7185 | 2463 | - | 2485 | = | -22 | * | (66 | / | 356) | = | -4.07865168 | ||
5 | 7188 | 2479 | - | 2528 | = | -49 | * | (70 | / | 356) | = | -9.63483144 | ||
6 | 7189 | 2500 | - | 2552 | = | -52 | * | (68 | / | 356) | = | -9.93258422 | ||
7 | 7192 | 2487 | - | 2567 | = | -80 | * | (47 | / | 356) | = | -10.56179768 | ||
8 | 7193 | 2561 | - | 2586 | = | -25 | * | (53 | / | 356) | = | -3.7219101 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Mira Vista Elementary | -44 |
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 | 7232 | 2378 | - | 2436 | = | -58 | * | (62 | / | 368) | = | -9.77173908 | ||
4 | 7233 | 2456 | - | 2485 | = | -29 | * | (63 | / | 368) | = | -4.96467391 | ||
5 | 7234 | 2480 | - | 2528 | = | -48 | * | (68 | / | 368) | = | -8.86956518 | ||
6 | 7235 | 2502 | - | 2552 | = | -50 | * | (72 | / | 368) | = | -9.78260865 | ||
7 | 7236 | 2508 | - | 2567 | = | -59 | * | (60 | / | 368) | = | -9.6195652 | ||
8 | 7237 | 2497 | - | 2586 | = | -89 | * | (43 | / | 368) | = | -10.39945651 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Mira Vista Elementary | -53 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-61 | -52 | -46 | -44 | -53 | -256.0 | -51.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -33.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -69.2
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 | 59% | 55% | 58% | 59% | 59% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
West Contra Costa Unified school district County of Contra Costa
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.
Mira Vista Elementary math proficiency
Zero+ meets standard.
51% less $meal
47% less $meal
48% less $meal
52% less $meal
50% 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.