Mesquite Elementary (Data source)
Source data for Mesquite 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 | 1062506 | 2395 | - | 2436 | = | -41 | * | (142 | / | 540) | = | -10.78148144 | ||
| 4 | 1062509 | 2403 | - | 2485 | = | -82 | * | (134 | / | 540) | = | -20.34814814 | ||
| 5 | 1062510 | 2432 | - | 2528 | = | -96 | * | (152 | / | 540) | = | -27.02222218 | ||
| 6 | 1062513 | 2488 | - | 2552 | = | -64 | * | (112 | / | 540) | = | -13.27407405 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Mesquite Elementary | -71 | ||||||||||||
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 | 33335 | 2396 | - | 2436 | = | -40 | * | (131 | / | 551) | = | -9.50998184 | ||
| 4 | 33337 | 2431 | - | 2485 | = | -54 | * | (149 | / | 551) | = | -14.60254079 | ||
| 5 | 33340 | 2439 | - | 2528 | = | -89 | * | (132 | / | 551) | = | -21.32123409 | ||
| 6 | 33341 | 2474 | - | 2552 | = | -78 | * | (139 | / | 551) | = | -19.67695096 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Mesquite Elementary | -65 | ||||||||||||
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 | 33925 | 2400 | - | 2436 | = | -36 | * | (138 | / | 552) | = | -9.0 | ||
| 4 | 33927 | 2427 | - | 2485 | = | -58 | * | (137 | / | 552) | = | -14.39492749 | ||
| 5 | 33929 | 2453 | - | 2528 | = | -75 | * | (166 | / | 552) | = | -22.55434778 | ||
| 6 | 33931 | 2451 | - | 2552 | = | -101 | * | (111 | / | 552) | = | -20.30978256 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Mesquite Elementary | -66 | ||||||||||||
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 | 33940 | 2391 | - | 2436 | = | -45 | * | (93 | / | 368) | = | -11.3722826 | ||
| 4 | 33942 | 2435 | - | 2485 | = | -50 | * | (146 | / | 368) | = | -19.8369565 | ||
| 5 | 33944 | 2441 | - | 2528 | = | -87 | * | (129 | / | 368) | = | -30.49728259 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Mesquite Elementary | -62 | ||||||||||||
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 | 34122 | 2406 | - | 2436 | = | -30 | * | (132 | / | 376) | = | -10.53191487 | ||
| 4 | 34123 | 2439 | - | 2485 | = | -46 | * | (106 | / | 376) | = | -12.96808508 | ||
| 5 | 34124 | 2464 | - | 2528 | = | -64 | * | (138 | / | 376) | = | -23.48936166 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Mesquite Elementary | -47 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -71 | -65 | -66 | -62 | -47 | -311.0 | -62.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -35.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -89.2
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 | 85% | 89% | 89% | 91% | 90% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Palmdale Elementary school district | County of Los Angeles
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.
Mesquite Elementary math proficiency
Zero+ meets standard.
70% less $meal
77% less $meal
78% less $meal
82% less $meal
81% 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.