Harloe Elementary (Data source)
Source data for Harloe 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 | 2486843 | 2446 | - | 2436 | = | 10 | * | (94 | / | 364) | = | 2.58241758 | ||
4 | 2486846 | 2483 | - | 2485 | = | -2 | * | (93 | / | 364) | = | -0.51098901 | ||
5 | 2486847 | 2520 | - | 2528 | = | -8 | * | (94 | / | 364) | = | -2.06593406 | ||
6 | 2486850 | 2524 | - | 2552 | = | -28 | * | (83 | / | 364) | = | -6.38461538 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Harloe Elementary | -6 |
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 | 75818 | 2457 | - | 2436 | = | 21 | * | (101 | / | 382) | = | 5.55235601 | ||
4 | 75819 | 2492 | - | 2485 | = | 7 | * | (92 | / | 382) | = | 1.68586387 | ||
5 | 75822 | 2508 | - | 2528 | = | -20 | * | (94 | / | 382) | = | -4.92146596 | ||
6 | 75823 | 2555 | - | 2552 | = | 3 | * | (95 | / | 382) | = | 0.7460733 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Harloe 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 | 77851 | 2452 | - | 2436 | = | 16 | * | (93 | / | 395) | = | 3.76708859 | ||
4 | 77853 | 2489 | - | 2485 | = | 4 | * | (99 | / | 395) | = | 1.00253164 | ||
5 | 77854 | 2512 | - | 2528 | = | -16 | * | (98 | / | 395) | = | -3.96962024 | ||
6 | 77857 | 2544 | - | 2552 | = | -8 | * | (105 | / | 395) | = | -2.12658227 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Harloe Elementary | -1 |
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 | 78011 | 2469 | - | 2436 | = | 33 | * | (87 | / | 375) | = | 7.656 | ||
4 | 78014 | 2490 | - | 2485 | = | 5 | * | (91 | / | 375) | = | 1.21333333 | ||
5 | 78015 | 2527 | - | 2528 | = | -1 | * | (101 | / | 375) | = | -0.26933333 | ||
6 | 78018 | 2552 | - | 2552 | = | 0 | * | (96 | / | 375) | = | 0.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Harloe Elementary | 9 |
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 | 78544 | 2466 | - | 2436 | = | 30 | * | (92 | / | 377) | = | 7.3209549 | ||
4 | 78545 | 2510 | - | 2485 | = | 25 | * | (89 | / | 377) | = | 5.90185675 | ||
5 | 78546 | 2525 | - | 2528 | = | -3 | * | (93 | / | 377) | = | -0.74005305 | ||
6 | 78547 | 2558 | - | 2552 | = | 6 | * | (103 | / | 377) | = | 1.63925729 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Harloe Elementary | 14 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-6 | 3 | -1 | 9 | 14 | 19.0 | 3.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 24.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -17.2
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 | 49% | 49% | 43% | 45% | 45% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Lucia Mar Unified school district | County of San Luis Obispo
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.
Harloe Elementary math proficiency
Zero+ meets standard.

40% less $meal

39% less $meal

35% less $meal

40% less $meal

40% 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.