Gauldin (A.L.) Elementary (Data source)
Source data for Gauldin (A.L.) 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 | 673849 | 2385 | - | 2436 | = | -51 | * | (119 | / | 325) | = | -18.67384615 | ||
| 4 | 673850 | 2469 | - | 2485 | = | -16 | * | (96 | / | 325) | = | -4.72615384 | ||
| 5 | 673853 | 2443 | - | 2528 | = | -85 | * | (110 | / | 325) | = | -28.76923073 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Gauldin (A.L.) Elementary | -52 | ||||||||||||
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 | 21327 | 2405 | - | 2436 | = | -31 | * | (112 | / | 319) | = | -10.88401252 | ||
| 4 | 21329 | 2452 | - | 2485 | = | -33 | * | (106 | / | 319) | = | -10.96551723 | ||
| 5 | 21332 | 2471 | - | 2528 | = | -57 | * | (101 | / | 319) | = | -18.04702194 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Gauldin (A.L.) Elementary | -40 | ||||||||||||
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 | 21736 | 2411 | - | 2436 | = | -25 | * | (103 | / | 331) | = | -7.77945618 | ||
| 4 | 21737 | 2456 | - | 2485 | = | -29 | * | (103 | / | 331) | = | -9.02416916 | ||
| 5 | 21740 | 2456 | - | 2528 | = | -72 | * | (125 | / | 331) | = | -27.19033229 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Gauldin (A.L.) Elementary | -44 | ||||||||||||
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 | 21710 | 2403 | - | 2436 | = | -33 | * | (78 | / | 278) | = | -9.25899279 | ||
| 4 | 21712 | 2467 | - | 2485 | = | -18 | * | (92 | / | 278) | = | -5.95683452 | ||
| 5 | 21714 | 2467 | - | 2528 | = | -61 | * | (108 | / | 278) | = | -23.69784169 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Gauldin (A.L.) Elementary | -39 | ||||||||||||
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 | 21880 | 2396 | - | 2436 | = | -40 | * | (91 | / | 266) | = | -13.68421052 | ||
| 4 | 21881 | 2462 | - | 2485 | = | -23 | * | (76 | / | 266) | = | -6.57142856 | ||
| 5 | 21882 | 2483 | - | 2528 | = | -45 | * | (99 | / | 266) | = | -16.7481203 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Gauldin (A.L.) Elementary | -37 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -52 | -40 | -44 | -39 | -37 | -212.0 | -42.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -27.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -57.4
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 | 90% | 88% | 88% | 85% | 87% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Downey Unified 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.
Gauldin (A.L.) Elementary math proficiency
Zero+ meets standard.
72% less $meal
75% less $meal
73% less $meal
77% less $meal
75% 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.