Culverdale Elementary (Data source)
Source data for Culverdale 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 | 1577002 | 2458 | - | 2436 | = | 22 | * | (96 | / | 471) | = | 4.48407643 | ||
4 | 1577005 | 2467 | - | 2485 | = | -18 | * | (103 | / | 471) | = | -3.93630572 | ||
5 | 1577006 | 2505 | - | 2528 | = | -23 | * | (141 | / | 471) | = | -6.88535031 | ||
6 | 1577009 | 2536 | - | 2552 | = | -16 | * | (131 | / | 471) | = | -4.45010614 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Culverdale Elementary | -11 |
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 | 49347 | 2447 | - | 2436 | = | 11 | * | (88 | / | 431) | = | 2.24593967 | ||
4 | 49348 | 2502 | - | 2485 | = | 17 | * | (82 | / | 431) | = | 3.23433874 | ||
5 | 49351 | 2498 | - | 2528 | = | -30 | * | (105 | / | 431) | = | -7.30858467 | ||
6 | 49352 | 2550 | - | 2552 | = | -2 | * | (156 | / | 431) | = | -0.72389791 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Culverdale Elementary | -3 |
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 | 50710 | 2439 | - | 2436 | = | 3 | * | (111 | / | 437) | = | 0.76201373 | ||
4 | 50713 | 2451 | - | 2485 | = | -34 | * | (104 | / | 437) | = | -8.09153318 | ||
5 | 50714 | 2513 | - | 2528 | = | -15 | * | (89 | / | 437) | = | -3.05491991 | ||
6 | 50717 | 2536 | - | 2552 | = | -16 | * | (133 | / | 437) | = | -4.86956522 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Culverdale Elementary | -15 |
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 | 50747 | 2459 | - | 2436 | = | 23 | * | (105 | / | 410) | = | 5.89024388 | ||
4 | 50749 | 2490 | - | 2485 | = | 5 | * | (94 | / | 410) | = | 1.14634146 | ||
5 | 50751 | 2490 | - | 2528 | = | -38 | * | (99 | / | 410) | = | -9.17560973 | ||
6 | 50753 | 2538 | - | 2552 | = | -14 | * | (112 | / | 410) | = | -3.82439023 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Culverdale Elementary | -6 |
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 | 50954 | 2450 | - | 2436 | = | 14 | * | (97 | / | 418) | = | 3.24880382 | ||
4 | 50955 | 2505 | - | 2485 | = | 20 | * | (115 | / | 418) | = | 5.50239234 | ||
5 | 50956 | 2512 | - | 2528 | = | -16 | * | (104 | / | 418) | = | -3.98086123 | ||
6 | 50957 | 2529 | - | 2552 | = | -23 | * | (102 | / | 418) | = | -5.61244017 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Culverdale Elementary | -1 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-11 | -3 | -15 | -6 | -1 | -36.0 | -7.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 7.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -22.2
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 | 34% | 37% | 35% | 40% | 41% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Irvine 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.
Culverdale Elementary math proficiency
Zero+ meets standard.
29% less $meal
29% less $meal
30% less $meal
37% less $meal
38% 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.