Columbia Elementary (Data source)
Source data for Columbia 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 | 689500 | 2394 | - | 2436 | = | -42 | * | (71 | / | 647) | = | -4.60896442 | ||
4 | 689503 | 2471 | - | 2485 | = | -14 | * | (50 | / | 647) | = | -1.08191653 | ||
5 | 689504 | 2476 | - | 2528 | = | -52 | * | (58 | / | 647) | = | -4.66151468 | ||
6 | 689507 | 2482 | - | 2552 | = | -70 | * | (60 | / | 647) | = | -6.49149921 | ||
7 | 689508 | 2517 | - | 2567 | = | -50 | * | (207 | / | 647) | = | -15.9969088 | ||
8 | 689511 | 2526 | - | 2586 | = | -60 | * | (201 | / | 647) | = | -18.6398763 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Columbia Elementary | -51 |
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 | 21794 | 2398 | - | 2436 | = | -38 | * | (78 | / | 695) | = | -4.26474817 | ||
4 | 21796 | 2430 | - | 2485 | = | -55 | * | (76 | / | 695) | = | -6.01438844 | ||
5 | 21798 | 2497 | - | 2528 | = | -31 | * | (59 | / | 695) | = | -2.63165467 | ||
6 | 21800 | 2467 | - | 2552 | = | -85 | * | (62 | / | 695) | = | -7.58273381 | ||
7 | 21803 | 2521 | - | 2567 | = | -46 | * | (201 | / | 695) | = | -13.30359712 | ||
8 | 21805 | 2542 | - | 2586 | = | -44 | * | (219 | / | 695) | = | -13.86474817 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Columbia Elementary | -48 |
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 | 22212 | 2396 | - | 2436 | = | -40 | * | (67 | / | 708) | = | -3.78531072 | ||
4 | 22214 | 2432 | - | 2485 | = | -53 | * | (83 | / | 708) | = | -6.21327681 | ||
5 | 22215 | 2453 | - | 2528 | = | -75 | * | (86 | / | 708) | = | -9.11016945 | ||
6 | 22218 | 2534 | - | 2552 | = | -18 | * | (56 | / | 708) | = | -1.42372881 | ||
7 | 22219 | 2511 | - | 2567 | = | -56 | * | (212 | / | 708) | = | -16.76836157 | ||
8 | 22221 | 2550 | - | 2586 | = | -36 | * | (204 | / | 708) | = | -10.37288135 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Columbia Elementary | -48 |
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 | 22198 | 2392 | - | 2436 | = | -44 | * | (61 | / | 692) | = | -3.87861272 | ||
4 | 22201 | 2435 | - | 2485 | = | -50 | * | (66 | / | 692) | = | -4.7687861 | ||
5 | 22202 | 2465 | - | 2528 | = | -63 | * | (79 | / | 692) | = | -7.19219649 | ||
6 | 22205 | 2483 | - | 2552 | = | -69 | * | (89 | / | 692) | = | -8.8742774 | ||
7 | 22207 | 2506 | - | 2567 | = | -61 | * | (184 | / | 692) | = | -16.21965313 | ||
8 | 22209 | 2553 | - | 2586 | = | -33 | * | (213 | / | 692) | = | -10.15751444 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Columbia Elementary | -51 |
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 | 22379 | 2426 | - | 2436 | = | -10 | * | (66 | / | 656) | = | -1.00609756 | ||
4 | 22380 | 2445 | - | 2485 | = | -40 | * | (61 | / | 656) | = | -3.71951216 | ||
5 | 22381 | 2463 | - | 2528 | = | -65 | * | (69 | / | 656) | = | -6.83689019 | ||
6 | 22382 | 2487 | - | 2552 | = | -65 | * | (81 | / | 656) | = | -8.02591459 | ||
7 | 22383 | 2519 | - | 2567 | = | -48 | * | (194 | / | 656) | = | -14.19512194 | ||
8 | 22384 | 2543 | - | 2586 | = | -43 | * | (185 | / | 656) | = | -12.12652439 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Columbia Elementary | -46 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-51 | -48 | -48 | -51 | -46 | -244.0 | -48.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -42.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -54.8
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 | 95% | 92% | 92% | 98% | 95% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
El Monte City 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.
Columbia Elementary math proficiency
Zero+ meets standard.
88% less $meal
85% less $meal
85% less $meal
93% less $meal
91% 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.