Santiago Elementary (Data source)
Source data for Santiago 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 | 1538841 | 2408 | - | 2436 | = | -28 | * | (150 | / | 804) | = | -5.22388059 | ||
| 4 | 1538844 | 2438 | - | 2485 | = | -47 | * | (180 | / | 804) | = | -10.52238806 | ||
| 5 | 1538845 | 2475 | - | 2528 | = | -53 | * | (146 | / | 804) | = | -9.62437807 | ||
| 6 | 1538848 | 2493 | - | 2552 | = | -59 | * | (111 | / | 804) | = | -8.14552236 | ||
| 7 | 1538849 | 2491 | - | 2567 | = | -76 | * | (116 | / | 804) | = | -10.96517406 | ||
| 8 | 1538852 | 2555 | - | 2586 | = | -31 | * | (101 | / | 804) | = | -3.89427859 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Santiago Elementary | -48 | ||||||||||||
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 | 48211 | 2394 | - | 2436 | = | -42 | * | (143 | / | 786) | = | -7.64122136 | ||
| 4 | 48213 | 2449 | - | 2485 | = | -36 | * | (150 | / | 786) | = | -6.87022898 | ||
| 5 | 48214 | 2453 | - | 2528 | = | -75 | * | (169 | / | 786) | = | -16.12595415 | ||
| 6 | 48216 | 2485 | - | 2552 | = | -67 | * | (115 | / | 786) | = | -9.80279894 | ||
| 7 | 48219 | 2511 | - | 2567 | = | -56 | * | (103 | / | 786) | = | -7.33842234 | ||
| 8 | 48221 | 2512 | - | 2586 | = | -74 | * | (106 | / | 786) | = | -9.9796437 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Santiago Elementary | -58 | ||||||||||||
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 | 49539 | 2407 | - | 2436 | = | -29 | * | (142 | / | 781) | = | -5.27272725 | ||
| 4 | 49541 | 2448 | - | 2485 | = | -37 | * | (148 | / | 781) | = | -7.01152368 | ||
| 5 | 49543 | 2463 | - | 2528 | = | -65 | * | (146 | / | 781) | = | -12.1510883 | ||
| 6 | 49544 | 2469 | - | 2552 | = | -83 | * | (142 | / | 781) | = | -15.09090902 | ||
| 7 | 49547 | 2504 | - | 2567 | = | -63 | * | (103 | / | 781) | = | -8.30857873 | ||
| 8 | 49549 | 2521 | - | 2586 | = | -65 | * | (100 | / | 781) | = | -8.32266325 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Santiago Elementary | -56 | ||||||||||||
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 | 49552 | 2403 | - | 2436 | = | -33 | * | (135 | / | 770) | = | -5.78571428 | ||
| 4 | 49555 | 2452 | - | 2485 | = | -33 | * | (138 | / | 770) | = | -5.91428571 | ||
| 5 | 49556 | 2469 | - | 2528 | = | -59 | * | (140 | / | 770) | = | -10.72727268 | ||
| 6 | 49559 | 2491 | - | 2552 | = | -61 | * | (130 | / | 770) | = | -10.29870125 | ||
| 7 | 49560 | 2488 | - | 2567 | = | -79 | * | (127 | / | 770) | = | -13.02987006 | ||
| 8 | 49563 | 2510 | - | 2586 | = | -76 | * | (100 | / | 770) | = | -9.8701298 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Santiago Elementary | -56 | ||||||||||||
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 | 49754 | 2414 | - | 2436 | = | -22 | * | (124 | / | 757) | = | -3.6036988 | ||
| 4 | 49755 | 2431 | - | 2485 | = | -54 | * | (131 | / | 757) | = | -9.34478203 | ||
| 5 | 49756 | 2464 | - | 2528 | = | -64 | * | (133 | / | 757) | = | -11.24438573 | ||
| 6 | 49757 | 2462 | - | 2552 | = | -90 | * | (125 | / | 757) | = | -14.86129455 | ||
| 7 | 49758 | 2515 | - | 2567 | = | -52 | * | (125 | / | 757) | = | -8.58652574 | ||
| 8 | 49759 | 2499 | - | 2586 | = | -87 | * | (119 | / | 757) | = | -13.67635398 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Santiago Elementary | -61 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -48 | -58 | -56 | -56 | -61 | -279.0 | -55.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -43.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -67.8
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 | 75% | 79% | 72% | 65% | 64% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Santa Ana Unified school district | County of Orange
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.
Santiago Elementary math proficiency
Zero+ meets standard.
75% less $meal
77% less $meal
64% less $meal
54% less $meal
52% 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.